Airports 501 to 550
Jamestown Regional Airport
Camp Grafton Heliport
Devils Lake, North Dakota, United States — 403 km (217 nm) ENE
Towner County Medical Center Heliport
Gravelbourg Airport
North Big Horn County Airport
South Big Horn County Airport
Devils Lake Regional Airport
Devils Lake, North Dakota, United States — 406 km (219 nm) ENE