Airports 501 to 550
Changjin Air Force Base
Changjin, South Hamgyong Province, North Korea — 1536 km (829 nm) S
Riwon Airbase
Riwon-gun, South Hamgyong Province, North Korea — 1537 km (830 nm) S
Yoichi Agricultural Airfield / Appleport Yoichi
Batagay Airport
Batagay, Sakha (Yakutia) Republic, Russia — 1539 km (831 nm) N
Hokkaido Central Hospital Helipad
Monbetsu Regional Hospital Helipad
Jinzhou Bay Airport
Linghai, Jinzhou, Liaoning Province, China — 1554 km (839 nm) SSW
Japan Red Cross Ashikawa Hospital Helipad
Sinhung Highway Strip
Sinhung, South Hamgyong Province, North Korea — 1556 km (840 nm) S