Airports 501 to 550
Dakota Regional Medical Center Heliport
Cooperstown, North Dakota, United States — 380 km (205 nm) ENE
Cooperstown Municipal Airport
Cooperstown, North Dakota, United States — 380 km (205 nm) ENE
Britton Municipal Airport
International Peace Garden Airport
Glasgow Valley County Airport Wokal Field
Gwinner Roger Melroe Field
Wessington Springs Airport
Wessington Springs, South Dakota, United States — 389 km (210 nm) ESE