Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/r2Number> ?o. }
- Osaka_International_Airport r2Number "14".
- Oshawa_Airport r2Number "12".
- Oskemen_Airport r2Number "12".
- Oslo_Airport,_Fornebu r2Number "1".
- Oslo_Airport,_Gardermoen r2Number "1".
- Oswaldo_Guevara_Mujica_Airport r2Number "5".
- Oswego_County_Airport r2Number "15".
- Otis_Air_National_Guard_Base r2Number "14".
- Ottawa_Macdonald–Cartier_International_Airport r2Number "7".
- Ottawa_Municipal_Airport r2Number "13".
- Ottumwa_Regional_Airport r2Number "4".
- Ouagadougou_Airport r2Number "4".
- Oum_el_Bouaghi_Airport r2Number "7".
- Outagamie_County_Regional_Airport r2Number "12".
- Ovda_Airport r2Number "2".
- Overboelare_Airfield r2Number "3".
- Owensboro-Daviess_County_Regional_Airport r2Number "5".
- Owosso_Community_Airport r2Number "6".
- Oyen_Municipal_Airport r2Number "14".
- Ozuki_Air_Field r2Number "12".
- Oğuzeli_Airport r2Number "10".
- PAF_Base_M.M._Alam r2Number "6".
- PAF_Base_Masroor r2Number "9".
- PAF_Base_Mushaf r2Number "14".
- PAF_Base_Rafiqui r2Number "15".
- PAF_Base_Shahbaz r2Number "15".
- Padgham_Field r2Number "15".
- Page_Field r2Number "13".
- Page_Municipal_Airport r2Number "15".
- Pago_Pago_International_Airport r2Number "8".
- Paine_Air_Force_Base r2Number "11".
- Paine_Field r2Number "11".
- Pakistan_Air_Force_Academy r2Number "9".
- Palacios_Municipal_Airport r2Number "13".
- Palatka_Municipal_Airport r2Number "17".
- Palm_Beach_County_Park_Airport r2Number "9".
- Palm_Beach_International_Airport r2Number "10".
- Palm_Springs_International_Airport r2Number "13".
- Palma_de_Mallorca_Airport r2Number "6".
- Palmachim_Airbase r2Number "13".
- Palmdale_Regional_Airport r2Number "7".
- Palmer_Municipal_Airport r2Number "16".
- Palmerston_Airport r2Number "13".
- Palmerston_North_International_Airport r2Number "7".
- Panama_City–Bay_County_International_Airport r2Number "5".
- Pangborn_Memorial_Airport r2Number "12".
- Pantelleria_Airport r2Number "8".
- Papa_Westray_Airport r2Number "7".
- Parafield_Airport r2Number "3".
- Paris–Le_Bourget_Airport r2Number "7".
- Park_Township_Airport r2Number "12".
- Parkes_Airport r2Number "11".
- Parlin_Field r2Number "12".
- Paso_Robles_Municipal_Airport r2Number "13".
- Patrick_Air_Force_Base r2Number "11".
- Paul_Windle_Municipal_Airport r2Number "17".
- Pauls_Valley_Municipal_Airport r2Number "17".
- Paysandú_Airport r2Number "10".
- Pecos_Municipal_Airport r2Number "14".
- Pedro_de_Valdivia_Airport r2Number "16".
- Pelee_Island_Airport r2Number "1".
- Pellston_Regional_Airport r2Number "14".
- Pelotas_International_Airport r2Number "15".
- Pemba_Airport_(Mozambique) r2Number "17".
- Pendleton_Airport r2Number "13".
- Penn_Yan_Airport r2Number "10".
- Pensacola_International_Airport r2Number "17".
- Peoria_Air_National_Guard_Base r2Number "4".
- Pergamino_Aeroclub r2Number "13".
- Perito_Moreno_Airport r2Number "10".
- Perpignan–Rivesaltes_Airport r2Number "13".
- Perranporth_Airfield r2Number "9".
- Perrin_Air_Force_Base r2Number "17".
- Perry-Foley_Airport r2Number "12".
- Perry_Municipal_Airport_(Iowa) r2Number "4".
- Perry_Stokes_Airport r2Number "9".
- Perry–Warsaw_Airport r2Number "4".
- Persan-Beaumont_Airport r2Number "10".
- Perth_Airport r2Number "6".
- Perth_Airport_(Scotland) r2Number "9".
- Peter_O._Knight_Airport r2Number "18".
- Sibson_Airport r2Number "15".
- Peterborough_Airport r2Number "13".
- Peterborough_Business_Airport r2Number "16".
- Petropavlovsk-Kamchatsky_Airport r2Number "16".
- Petropavlovsk-Kamchatsky_Airport r2Number "Closed".
- Phan_Rang_Air_Base r2Number "4".
- Philadelphia_International_Airport r2Number "9".
- Philip_Billard_Municipal_Airport r2Number "13".
- Phillip_Island_Airport r2Number "18".
- Phillips_Army_Airfield r2Number "8".
- Phoenix_Deer_Valley_Airport r2Number "7".
- Phoenix_Sky_Harbor_International_Airport r2Number "7".
- Phoenix–Mesa_Gateway_Airport r2Number "12".
- Pickering_Airport r2Number "15".
- Picton_Airport r2Number "10".
- Piedmont_Triad_International_Airport r2Number "5".
- Pierre_Regional_Airport r2Number "13".
- Pigüé_Airport r2Number "6".
- Pike_County_Airport_(Kentucky) r2Number "2".