Airports 4,251 to 4,300
Black Hills Airport-Clyde Ice Field
Spearfish,
South Dakota,
United States
—
1348 km
(728 nm)
SE
Excursion Inlet Seaplane Base
Excursion Inlet,
Alaska,
United States
—
1348 km
(728 nm)
WNW
Eldred Rock CG Light Station Helipad
Beaver Marsh State Airport
Marbleton Big Piney Clinic Heliport
Standing Rock Hospital Heliport
Fort Yates,
North Dakota,
United States
—
1353 km
(730 nm)
SE