Distance Calculator

Distance from Great Falls to Ontario

Distance between Great Falls and Ontario is 1585 kilometers (985 miles).
Driving distance from Great Falls to Ontario is 1966 kilometers (1221 miles).

air 1585 km
air 985 miles
car 1966 km
car 1221 miles

Distance Map Between Great Falls and Ontario

Great Falls, Helena, United StatesOntario, Canada = 985 miles = 1585 km.

How far is it between Great Falls and Ontario

Great Falls is located in United States with (47.5002,-111.3008) coordinates and Ontario is located in Canada with (34.0633,-117.6509) coordinates. The calculated flying distance from Great Falls to Ontario is equal to 985 miles which is equal to 1585 km.

If you want to go by car, the driving distance between Great Falls and Ontario is 1965.53 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 17 hours 32 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 381 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Great Falls 47.5002, -111.3008 47° 30´ 0.8640'' N
111° 18´ 2.9160'' W
Ontario 34.0633, -117.6509 34° 3´ 48.0240'' N
117° 39´ 3.2040'' W

Estimated Travel Time Between Great Falls and Ontario

Average SpeedTravel Time
30 mph (48 km/h) 40 hours 56 minutes
40 mph (64 km/h) 30 hours 42 minutes
50 mph (80 km/h) 24 hours 34 minutes
60 mph (97 km/h) 20 hours 15 minutes
70 mph (112 km/h) 17 hours 32 minutes
75 mph (120 km/h) 16 hours 22 minutes
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