Airports 21,051 to 21,100
Waterville Robert Lafleur Airport
Ellsworth Air Force Base
Rapid City,
South Dakota,
United States
—
1600 km
(864 nm)
WNW
Black Hills Health Care System Heliport
Hot Springs,
South Dakota,
United States
—
1600 km
(864 nm)
WNW
Maine General Medical Center-Waterville Heliport
Custer State Park Airport
Crazy Horse,
South Dakota,
United States
—
1601 km
(864 nm)
WNW