Airports 401 to 450
Ratmanov (Big Diomede) Improvised Airstrip
Ratmanov, Chukotka Autonomous Okrug, Russia — 1428 km (771 nm) N
Ratmanov (Big Diomede) Heliport
Ratmanov, Chukotka Autonomous Okrug, Russia — 1430 km (772 nm) N
Summit Lake Seaplane Base
Campbell Lake Seaplane Base
Ted Stevens Anchorage International Airport
Point Mackenzie Substation Northwest Airstrip
Point Mackenzie, Alaska, United States — 1455 km (785 nm) NE
Point Mackenzie Substation North Airstrip
Point Mackenzie, Alaska, United States — 1456 km (786 nm) NE
Point Mackenzie Substation Northeast Airstrip
Point Mackenzie, Alaska, United States — 1457 km (787 nm) NE