Airports 501 to 550
Foothills Hospital McCaig Tower Helipad
Williston Basin International Airport
Williston, North Dakota, United States — 497 km (268 nm) SSE
Claresholm Industrial Airport
Virden / RJ (Bob) Andrew Field Regional Aerodrome
Fort Macleod (Hospital) Heliport
Sloulin Field International Airport
Williston, North Dakota, United States — 509 km (275 nm) SSE
Fort Macleod Airport
Del Bonita / Whetstone International Airport
Whetstone International Airport
Port of Del Bonita, Montana, United States — 525 km (283 nm) SW