Airports 501 to 550
Seohanri Helipad
Seohanri, Gyodongdo, Incheon Gwang'yeogsi, South Korea — 492 km (265 nm) SSW
Cheongwon Lakeville Apartments Heliport
Kolon Lake Poll Officetel Apartments Heliports
Ongjin Airport
Ongjin, South Hwanghae Province, North Korea — 495 km (267 nm) SSW
N 217 Helipad
Seogeom-ri, Seogeomdo, Incheon Gwang'yeogsi, South Korea — 495 km (267 nm) SSW
Seogeom-ri Helipad
Seogeom-ri, Seogeomdo, Incheon Gwang'yeogsi, South Korea — 497 km (268 nm) SSW