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How far is Grand Forks, ND, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Grand Forks (Grand Forks International Airport) is 1427 miles / 2296 kilometers / 1240 nautical miles.

The driving distance from Ontario (ONT) to Grand Forks (GFK) is 1860 miles / 2993 kilometers, and travel time by car is about 32 hours 49 minutes.

Ontario International Airport – Grand Forks International Airport

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1427
Miles
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2296
Kilometers
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1240
Nautical miles

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Distance from Ontario to Grand Forks

There are several ways to calculate the distance from Ontario to Grand Forks. Here are two standard methods:

Vincenty's formula (applied above)
  • 1426.772 miles
  • 2296.168 kilometers
  • 1239.831 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1425.597 miles
  • 2294.275 kilometers
  • 1238.810 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Ontario to Grand Forks?

The estimated flight time from Ontario International Airport to Grand Forks International Airport is 3 hours and 12 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Grand Forks International Airport (GFK)

On average, flying from Ontario to Grand Forks generates about 175 kg of CO2 per passenger, and 175 kilograms equals 386 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to Grand Forks

See the map of the shortest flight path between Ontario International Airport (ONT) and Grand Forks International Airport (GFK).

Airport information

Origin Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W
Destination Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W