| DAA | Davison Army Air Field | Fort Belvoir | US |
| DAB | Daytona Beach Regional Airport | Daytona Beach | US |
| DAC | Hazrat Shahjalal International | Dhaka | BD |
| DAD | Da Nang International Airport | Da Nang | VN |
| DAF | Daup Airport | Daup | PG |
| DAG | Barstow-Daggett Airport | Daggett | US |
| DAH | Dathina Airport | Dathina | YE |
| DAI | Off-Line Point | Darjeeling | IN |
| DAJ | Dauan Island Heliport | Dauan Island | AU |
| DAK | Dakhla Airport | Dakhla Oasis | EG |
| DAL | Love Field | Dallas | US |
| DAM | Damascus International Airport | Damascus | SY |
| DAN | Danville Municipal Airport | Danville | US |
| DAO | Dabo Airport | Dabo | PG |
| DAP | Darchula Airport | Darchula | NP |
| DAR | Julius Nyerere International Airport | Dar Es Salaam | TZ |
| DAS | Great Bear Lake Airport | Great Bear Lake | CA |
| DAT | Beijiazao Airport | Datong | CN |
| DAU | Daru Airport | Daru | PG |
| DAV | Enrique Malek Airport | David | PA |
| DAX | Heshi Airport | Dazhou | CN |
| DAY | James Cox Dayton International Airport | Dayton | US |
| DAZ | Darwaz Airport | Darwaz | AF |
| DBA | Dalbandin Airport | Dalbandin | PK |
| DBB | Al Alamain International | Dabah | EG |
| DBD | Dhanbad Airport | Dhanbad | IN |
| DBM | Debre Marcos Airport | Debre Marcos | ET |
| DBN | Dublin Municipal Airport | Dublin | US |
| DBO | City Airport | Dubbo | AU |
| DBP | Debepare Airport | Debepare | PG |
| DBQ | Dubuque Municipal Airport | Dubuque | US |
| DBS | Dubois Airport | Dubois | US |
| DBT | Debre Tabor Airport | Debre Tabor | ET |
| DBU | Dambullu Oya Tank SPB | Dambulla | LK |
| DBV | Dubrovnik Airport | Dubrovnik | HR |
| DBY | Dalby Airport | Dalby | AU |
| DCA | Ronald Reagan National Airport | Washington | US |
| DCF | Cane Field Airport | Dominica | DM |
| DCG | Dubai Creek SPB | Dubai | AE |
| DCI | Decimomannu Air Base | Decimomannu | IT |
| DCK | Dahl Creek Airport | Dahl Creek | US |
| DCM | Mazamet Airport | Castres | FR |
| DCN | RAAF Curtin | Derby | AU |
| DCP | Cabin Plant Airport | Cabin Plant | CA |
| DCR | Decatur Hi-Way Airport | Decatur | US |
| DCT | Duncan Town Airport | Duncan Town | BS |
| DCU | Pyor Airport | Decatur | US |
| DCY | Yading Airport | Daocheng | CN |
| DDB | CZ Bus Station | Dongguan | CN |
| DDC | Dodge City Municipal Airport | Dodge City | US |
| DDG | Langtou Airport | Dandong | CN |
| DDI | Daydream Island Heliport | Daydream Island | AU |
| DDM | Dodoima Airport | Dodoima | PG |
| DDN | Delta Downs Airport | Delta Downs | AU |
| DDP | Dorado Beach Airport | Dorado | PR |
| DDU | Dadu Airport | Dadu | PK |
| DEA | Dera Ghazi Khan International Airport | Dera Ghazi Khan | PK |
| DEB | Debrecen Airport | Debrecen | HU |
| DEC | Decatur Airport | Decatur | US |
| DED | Jolly Grant Airport | Dehra Dun | IN |
| DEE | Mendeleyevo Airport | Yuzhno-Kurilsk | RU |
| DEF | Dezful Airport | Dezful | IR |
| DEH | Decorah Municipal Airport | Decorah | US |
| DEI | Denis Island Airport | Denis Island | SC |
| DEL | Indira Gandhi International Airport | Delhi | IN |
| DEM | Dembi Dolo Airport | Dembi Dolo | ET |
| DEN | Denver International Airport | Denver | US |
| DEO | Hyatt Regency Heliport | Dearborn | US |
| DEP | Deparijo Airport | Deparijo | IN |
| DER | Derim Airport | Derim | PG |
| DES | Desroches Island Airport | Desroches Island | SC |
| DET | Detroit City Airport | Detroit | US |
| DEY | Bus Station | Deyang | CN |
| DEZ | Al Jafrah Airport | Deir ez Zor | SY |
| DFI | Defiance Memorial Airport | Defiance | US |
| DFP | Drumduff Airport | Drumduff | AU |
| DFW | Dallas/Ft. Worth International Airport | Dallas | US |
| DGA | Dangriga Airport | Dangriga | BZ |
| DGB | Danger Bay Airport | Danger Bay | US |
| DGC | Degeh Bur Airport | Degeh Bur | ET |
| DGD | Dalgaranga Gold Mine Airport | Dalgaranga Gold Mine | AU |
| DGE | Mudgee Airport | Mudgee | AU |
| DGF | Douglas Lake Airport | Douglas Lake | CA |
| DGG | Fishermans Heliport | Daugo Island | PG |
| DGK | Dugong Beach Lodge Airport | Dugong Beach Lodge | MZ |
| DGL | Douglas Municipal Airport | Douglas | US |
| DGM | Dandugama SPB | Colombo | LK |
| DGN | Naval Air Field | Dahlgren | US |
| DGO | Guadalupe Victoria Airport | Durango | MX |
| DGP | Daugavpils International Airport | Daugavpils | LV |
| DGR | Dargaville Airport | Dargaville | NZ |
| DGT | Sibulan Airport | Dumaguete | PH |
| DGU | Dedougou Airport | Dedougou | BF |
| DGW | Converse County Airport | Douglas | US |
| DHA | King Abdulaziz Air Base | Dhahran | SA |
| DHB | Deer Harbor Airport | Deer Harbor | US |
| DHD | Durham Downs Airport | Durham Downs | AU |
| DHF | Al Dhafra Air Base | Abu Dhabi | AE |
| DHI | Dhangarhi Airport | Dhangarhi | NP |
| DHL | Dhala Airport | Dhala | YE |
| DHM | Kangra Airport | Dharamsala | IN |
| DHN | Dothan Airport | Dothan | US |
| DHO | Heliport | Horn River | CA |
| DHR | De Kooy Airport | Den Helder | NL |
| DHT | Dalhart Airport | Dalhart | US |
| DIB | Mohanbari Airport | Dibrugarh | IN |
| DIE | Arrachart Airport | Antsiranana | MG |
| DIG | Shangri-La Airport | Deqen | CN |
| DIJ | Dijon Airport | Dijon | FR |
| DIK | Dickinson Airport | Dickinson | US |
| DIL | Pres. Nicolau Lobato Airport | Dili | TL |
| DIM | Ville Airport | Dimbokro | CI |
| DIN | Dien Bien Phu Airport | Dien Bien Phu | VN |
| DIO | Diomede Island Airport | Diomede Island | US |
| DIP | Diapaga Airport | Diapaga | BF |
| DIQ | Divinopolis Airport | Divinopolis | BR |
| DIR | Aba Tenna D Yilma Airport | Dire Dawa | ET |
| DIS | Dolisie Airport | Dolisie | CG |
| DIU | Diu Airport | Diu | IN |
| DIV | Divo Airport | Divo | CI |
| DIW | Mawella Lagoon SPB | Dikwella | LK |
| DIY | Diyarbakir Airport | Diyarbakir | TR |
| DJA | Djougou Airport | Djougou | BJ |
| DJB | Sultan Thaha Airport | Jambi | ID |
| DJE | Zarsis Airport | Djerba | TN |
| DJG | Inedbirenne Airport | Djanet | DZ |
| DJJ | Sentani Airport | Jayapura | ID |
| DJM | Djambala Airport | Djambala | CG |
| DJN | Delta Junction Airport | Delta Junction | US |
| DJO | Daloa Airport | Daloa | CI |
| DJU | Djupivogur Airport | Djupivogur | IS |
| DKA | Katsina Airport | Katsina | NG |
| DKI | Dunk Island Airport | Dunk Island | AU |
| DKK | Dunkirk Airport | Dunkirk | US |
| DKL | Heliport | Kiwigana Lodge | CA |
| DKR | Leopold Sedar Senghor | Dakar | SN |
| DKS | Dikson Airport | Dikson | RU |
| DKV | Docker River Airport | Docker River | AU |
| DLA | Douala International Airport | Douala | CM |
| DLB | D'Albertis Airport | D'Albertis | PG |
| DLC | Zhoushuizi Intl Airport | Dalian | CN |
| DLE | Tavaux Airport | Dole | FR |
| DLF | Laughlin Air Force Base | Del Rio | US |
| DLG | Dillingham Municipal Airport | Dillingham | US |
| DLH | Duluth International Airport | Duluth | US |
| DLI | Lien Khuong Airport | Da Lat | VN |
| DLK | Dulkaninna Airport | Dulkaninna | AU |
| DLL | Dillon Airport | Dillon | US |
| DLM | Dalaman Airport | Dalaman | TR |
| DLN | Dillon Airport | Dillon | US |
| DLO | Dolomi Airport | Dolomi | US |
| DLP | Disneyland Paris Airport | Disneyland Paris | FR |
| DLS | The Dalles Airport | The Dalles | US |
| DLU | Dali Airport | Dali | CN |
| DLV | Delissaville Airport | Delissaville | AU |
| DLY | Dillon's Bay Airport | Dillon's Bay | VU |
| DLZ | Gurvan Saikhan Airport | Dalanzadgad | MN |
| DMA | Davis Monthan Air Force Base | Tucson | US |
| DMB | Taraz Airport | Taraz | KZ |
| DMD | Doomadgee Airport | Doomadgee | AU |
| DME | Domodedovo Airport | Moscow | RU |
| DMK | Don Mueang Int'l Airport | Bangkok | TH |
| DMM | King Fahd International Airport | Dammam | SA |
| DMN | Deming Airport | Deming | US |
| DMO | Sedalia Airport | Sedalia | US |
| DMR | Dhamar Airport | Dhamar | YE |
| DMS | SABTCO Bus Station | Dammam | SA |
| DMT | Diamantino Airport | Diamantino | BR |
| DMU | Dimapur Airport | Dimapur | IN |
| DNA | Kadena AB | Okinawa | JP |
| DNB | Dunbar Airport | Dunbar | AU |
| DND | Dundee Airport | Dundee | GB |
| DNE | Dallas North Airport | Dallas | US |
| DNF | Martuba Airport | Derna | LY |
| DNG | Doongan Airport | Doongan | AU |
| DNH | Dunhuang Airport | Dunhuang | CN |
| DNI | Wad Madani Airport | Wad Madani | SD |
| DNK | Dnipropetrovsk Int'l Airport | Dnipropetrovsk | UA |
| DNL | Daniel Field | Augusta | US |
| DNM | Denham Airport | Denham | AU |
| DNN | Dalton Municipal Airport | Dalton | US |
| DNO | Dianopolis Airport | Dianopolis | BR |
| DNP | Tribhuvannagar Airport | Dang | NP |
| DNQ | Deniliquin Airport | Deniliquin | AU |
| DNR | Pleurtuit Airport | Dinard | FR |
| DNS | Denison Municipal Airport | Denison | US |
| DNT | Santa Ana Downtown Heliport | Santa Ana | US |
| DNU | Dinangat Airport | Dinangat | PG |
| DNV | Vermilion County Airport | Danville | US |
| DNX | Galegu Airport | Dinder | SD |
| DNZ | Cardak Airport | Denizli | TR |
| DOA | Doany Airport | Doany | MG |
| DOB | Rar Gwamar Airport | Dobo | ID |
| DOC | Dornoch Airport | Dornoch | GB |
| DOD | Dodoma Airport | Dodoma | TZ |
| DOE | Djoemoe Airport | Djoemoe | SR |
| DOF | Dora Bay Airport | Dora Bay | US |
| DOG | Dongola Airport | Dongola | SD |
| DOH | Doha International Airport | Doha | QA |
| DOI | Doini Island Airport | Doini Island | PG |
| DOK | Donetsk International | Donetsk | UA |
| DOL | Saint Gatien Airport | Deauville | FR |
| DOM | Melville Hall Airport | Dominica | DM |
| DON | Dos Lagunas Airport | Dos Lagunas | GT |
| DOO | Dorobisoro Airport | Dorobisoro | PG |
| DOP | Dolpa Airport | Dolpa | NP |
| DOR | Dori Airport | Dori | BF |
| DOS | Dios Airport | Dios | PG |
| DOU | Dourados Airport | Dourados | BR |
| DOV | Dover Air Force Base | Dover-Cheswold | US |
| DOX | Dongara Airport | Dongara | AU |
| DOY | Shengli Airport | Dongying | CN |
| DPA | Dupage County Airport | Chicago | US |
| DPE | Dieppe Airport | Dieppe | FR |
| DPG | Michael Army Air Field | Dugway | US |
| DPK | Deer Park Airport | Deer Park | US |
| DPL | Dipolog Airport | Dipolog | PH |
| DPO | Devonport Airport | Devonport | AU |
| DPS | Ngurah Rai Airport | Denpasar-Bali | ID |
| DPT | Deputatsky Airport | Deputatsky | RU |
| DPU | Dumpu Airport | Dumpu | PG |
| DQA | Sartu Airport | Daqing | CN |
| DRA | Desert Rock Airport | Mercury | US |
| DRB | Derby Airport | Derby | AU |
| DRC | Dirico Airport | Dirico | AO |
| DRD | Dorunda Airport | Dorunda | AU |
| DRE | Drummond Island Airport | Drummond Island | US |
| DRF | Drift River Airport | Drift River | US |
| DRG | Deering Airport | Deering | US |
| DRH | Dabra Airport | Dabra | ID |
| DRI | Beauregard Parish Airport | De Ridder | US |
| DRJ | Drietabbetje Airport | Drietabbetje | SR |
| DRK | Drake Bay Airport | Drake Bay | CR |
| DRM | Drama Airport | Drama | GR |
| DRN | Dirranbandi Airport | Dirranbandi | AU |
| DRO | La Plata Airport | Durango | US |
| DRR | Durrie Airport | Durrie | AU |
| DRS | Dresden Airport | Dresden | DE |
| DRT | Del Rio International Airport | Del Rio | US |
| DRU | Drummond Airport | Drummond | US |
| DRV | Dharavandhoo Airport | Dharavandhoo Island | MV |
| DRW | Darwin International Airport | Darwin | AU |
| DRX | Bus Station | Dresden | DE |
| DRY | Drysdale River Airport | Drysdale River | AU |
| DSA | Robin Hood Airport | Doncaster/Sheffield | GB |
| DSC | Dschang Airport | Dschang | CM |
| DSD | La Desirade Airport | La Desirade | GP |
| DSE | Kombolcha Airport | Dessie | ET |
| DSG | Dilasag Airport | Dilasag | PH |
| DSI | Destin Airport | Destin | US |
| DSK | Dera Ismail Khan Airport | Dera Ismail Khan | PK |
| DSM | Des Moines Airport | Des Moines | US |
| DSN | Ejin Horo Airport | Ordos | CN |
| DSO | Sondok Airport | Sondok | KP |
| DSV | Dansville Airport | Dansville | US |
| DTA | Delta Airport | Delta | US |
| DTD | Datadawai Airport | Datadawai | ID |
| DTE | Bagasbas Airport | Daet | PH |
| DTH | Death Valley Airport | Death Valley | US |
| DTI | Diamantina Airport | Diamantina | BR |
| DTL | Detroit Lakes Municipal Airport | Detroit Lakes | US |
| DTM | Dortmund Airport | Dortmund | DE |
| DTN | Shreveport Downtown Airport | Shreveport | US |
| DTR | Decatur Island Airport | Decatur Island | US |
| DTT | Metropolitan Area | Detroit | US |
| DTW | Wayne County Airport | Detroit | US |
| DUA | Eaker Airport | Durant | US |
| DUB | Dublin International Airport | Dublin | IE |
| DUC | Halliburton Airport | Duncan | US |
| DUD | Dunedin International Airport | Dunedin | NZ |
| DUE | Dundo Airport | Dundo | AO |
| DUF | Pine Island Airport | Duck | US |
| DUG | Bisbee-Douglas International Airport | Douglas | US |
| DUI | Hbf Railway Station | Duisburg | DE |
| DUJ | Jefferson County Airport | Dubois | US |
| DUK | Dukuduku Airport | Mtubatuba | ZA |
| DUM | Pinang Kampai Airport | Dumai | ID |
| DUQ | Duncan/Quam Airport | Duncan/Quam | CA |
| DUR | King Shaka Int'l Airport | Durban | ZA |
| DUS | Duesseldorf International | Duesseldorf | DE |
| DUT | Emergency Field | Dutch Harbor | US |
| DVA | Deva Airport | Deva | RO |
| DVD | Andavadoaka Airport | Andavadoaka | MG |
| DVK | Diavik Airport | Diavik | CA |
| DVL | Devils Lake Airport | Devils Lake | US |
| DVN | Davenport Airport | Davenport | US |
| DVO | Francisco Bangoy Intl Airport | Davao | PH |
| DVP | Davenport Downs Airport | Davenport Downs | AU |
| DVR | Daly River Mission Airport | Daly River Mission | AU |
| DVT | Phoenix-Deer Valley Airport | Phoenix | US |
| DWA | Dwamawa Airport | Dwamawa | MW |
| DWB | Soalala Airport | Soalala | MG |
| DWC | Al Maktoum International | Dubai | AE |
| DWD | Dawadmi Airport | Dawadmi | SA |
| DWF | Wright Air Force Base | Dayton | US |
| DWH | David Wayne Hooks Airport | Houston | US |
| DWN | Oklahoma City Downtown Airpark | Oklahoma City | US |
| DWO | Diyawanna Oya Airport | Kotte | LK |
| DWR | Dwyer Air Base | Dwyer | AF |
| DWS | Walt Disney World Airport | Orlando | US |
| DXA | Off-Line Point | Les Deux Alpes | FR |
| DXB | Dubai International Airport | Dubai | AE |
| DXD | Dixie Airport | Dixie | AU |
| DXR | Danbury Airport | Danbury | US |
| DYA | Dysart Airport | Dysart | AU |
| DYG | Hehua Airport | Zhangijiajie | CN |
| DYL | Doylestown Airport | Doylestown | US |
| DYM | Diamantina Lakes Airport | Diamantina Lakes | AU |
| DYN | Railway Station | Danyang | CN |
| DYR | Anadyr Airport | Anadyr | RU |
| DYS | Dyess Air Force Base | Abilene | US |
| DYU | Dushanbe International Airport | Dushanbe | TJ |
| DYW | Daly Waters Airport | Daly Waters | AU |
| DZA | Pamandzi Intl Airport | Dzaoudzi | YT |
| DZI | Codazzi Airport | Codazzi | CO |
| DZN | Zhezkazgan Airport | Zhezkazgan | KZ |
| DZO | Durazno Airport | Durazno | UY |
| DZU | Dazu Airport | Dazu | CN |