Airports 501 to 550
Nagaoka Central General Hospital Heliport
Japan Red Cross Nagaoka Hospital Heliport
Tachikawa General Hospital Heliport
Shirakawa Kosei General Hospital Heliport
Shirakawa, Fukushima Prefecture, Japan — 860 km (464 nm) SSW
Ryponkicha Emergency Airfield
Ryponkicha Island, Sakhalin Oblast, Russia — 872 km (471 nm) ENE
Ojikakogen Station Plaza Emergency Helipad
Uonuma Kikan Hospital Heliport
Minamiuonuma, Niigata Prefecture, Japan — 885 km (478 nm) SSW
Kitaibaraki Municipal Hospital Heliport
Khasanskaya Central Regional Hospital Helipad
Muikamachi Interchange Heliport
Minamiuonuma, Niigata Prefecture, Japan — 896 km (484 nm) SSW