Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/r2Number> ?o. }
- Ames_Municipal_Airport r2Number "13".
- Amiens_–_Glisy_Aerodrome r2Number "12".
- Amsterdam_Airport_Schiphol r2Number "6".
- Amílcar_Cabral_International_Airport r2Number "7".
- Andamooka_Airport r2Number "7".
- Andersen_Air_Force_Base r2Number "6".
- Anderson_Municipal_Airport r2Number "18".
- Anderson_Regional_Airport r2Number "17".
- Andrau_Airpark r2Number "11".
- Andreas_Airfield r2Number "11".
- Andrews_County_Airport r2Number "11".
- Andrews_Field r2Number "1".
- Andrewsfield_Aerodrome r2Number "9".
- Andøya_Air_Station r2Number "14".
- Andøya_Airport,_Andenes r2Number "14".
- Angelina_County_Airport r2Number "15".
- Angers_–_Loire_Airport r2Number "8".
- Anglesey_Airport r2Number "8".
- Angola_Airport r2Number "9".
- Angola_International_Airport r2Number "5".
- Aniak_Airport r2Number "10".
- Ankeny_Regional_Airport r2Number "4".
- Ann_Arbor_Municipal_Airport r2Number "12".
- Annette_Island_Airport r2Number "2".
- Anniston_Air_Force_Base r2Number "4".
- Anoka_County-Blaine_Airport r2Number "18".
- Antalya_Airport r2Number "18".
- Anthony_Municipal_Airport r2Number "10".
- Anthorn_Radio_Station r2Number "9".
- Antonio_B._Won_Pat_International_Airport r2Number "6".
- Antonio_Maceo_Airport r2Number "1".
- Antwerp_International_Airport r2Number "11".
- Apalachicola_Regional_Airport r2Number "13".
- Apple_Valley_Airport_(California) r2Number "8".
- Aransas_County_Airport r2Number "18".
- Ararat_Airport r2Number "12".
- Arborg_Airport r2Number "17".
- Arcachon_–_La_Teste-de-Buch_Airport r2Number "8".
- Arcade_Tri-County_Airport r2Number "14".
- Arcadia_Municipal_Airport r2Number "13".
- Arcata-Eureka_Airport r2Number "1".
- Archerfield_Airport r2Number "10".
- Arcola_Airport r2Number "17".
- Ardmore_Air_Force_Base r2Number "17".
- Ardmore_Airport_(New_Zealand) r2Number "3".
- Ardmore_Municipal_Airport r2Number "17".
- Arlington_Municipal_Airport_(South_Dakota) r2Number "4".
- Arlington_Municipal_Airport_(Washington) r2Number "11".
- Armidale_Airport r2Number "9".
- Armstrong_Airport r2Number "18".
- Arnold_Field_(Michigan) r2Number "7".
- Arnold_Palmer_Regional_Airport r2Number "3".
- South_Renfrew_Municipal_Airport r2Number "16".
- Artesia_Municipal_Airport r2Number "12".
- Arthur_(Metz_Field)_Aerodrome r2Number "14".
- Arthur_(Walter's_Field)_Aerodrome r2Number "5".
- Arthur_Dunn_Airpark r2Number "15".
- Arthur_N._Neu_Airport r2Number "3".
- Artigas_Airport r2Number "5".
- Ashburton_Aerodrome r2Number "6".
- Ashgabat_International_Airport r2Number "12".
- Ashley_Municipal_Airport r2Number "8".
- Asmara_International_Airport r2Number "12".
- Assiniboia_Airport r2Number "13".
- Aston_Down r2Number "8".
- Astoria_Regional_Airport r2Number "13".
- Athens_Ben_Epps_Airport r2Number "2".
- Athens_International_Airport r2Number "3".
- Atkinson_Municipal_Airport r2Number "16".
- Atlanta_Municipal_Airport_(Michigan) r2Number "13".
- Atlantic_City_Air_National_Guard_Base r2Number "13".
- Atlantic_City_International_Airport r2Number "13".
- Atlantic_Municipal_Airport r2Number "12".
- Atwood–Rawlins_County_City–County_Airport r2Number "17".
- Lewiston_Municipal_Airport r2Number "17".
- Auburn_University_Regional_Airport r2Number "11".
- Auckland_Airport r2Number "5".
- Augusta_Regional_Airport r2Number "8".
- Augusta_State_Airport r2Number "8".
- Augusto_Severo_International_Airport r2Number "16".
- Aurora_Municipal_Airport_(Illinois) r2Number "15".
- Austin_Executive_Airport r2Number "16".
- Austin_Straubel_International_Airport r2Number "18".
- Austin–Bergstrom_International_Airport r2Number "17".
- Avenger_Field r2Number "4".
- Avignon_–_Caumont_Airport r2Number "17".
- Avon_Park_Executive_Airport r2Number "10".
- Azul_Airport r2Number "9".
- Bacchus_Marsh_Airfield r2Number "1".
- Bad_Vöslau_Airport r2Number "13".
- Bader_Field r2Number "11".
- Bader_Field r2Number "CLOSED".
- Baghdad_International_Airport r2Number "15".
- Bahrain_International_Airport r2Number "12".
- Bairnsdale_Airport r2Number "14".
- Baker_City_Municipal_Airport r2Number "17".
- Bakki_Airport r2Number "3".
- Balgo_Hill_Airport r2Number "15".
- Ballarat_Airport r2Number "13".
- Balranald_Airport r2Number "18".