Airports 501 to 550
Gimpo International Airport
Yong Hung Highway Airstrip
Phungsong-ri, South Hamgyong Province, North Korea — 1190 km (642 nm) E
Masikryong Ski Resort Heliport
Masikryong, Kangwon Province, North Korea — 1190 km (643 nm) E
Okpyong ni Highway Strip Airstrip
Okpyong-ni, Kangwon Province, North Korea — 1193 km (644 nm) E