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How far is Ontario, CA, from Niagara Falls, NY?

The distance between Niagara Falls (Niagara Falls International Airport) and Ontario (Ontario International Airport) is 2163 miles / 3481 kilometers / 1879 nautical miles.

The driving distance from Niagara Falls (IAG) to Ontario (ONT) is 2494 miles / 4014 kilometers, and travel time by car is about 44 hours 13 minutes.

Niagara Falls International Airport – Ontario International Airport

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2163
Miles
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3481
Kilometers
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1879
Nautical miles

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Distance from Niagara Falls to Ontario

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

Vincenty's formula (applied above)
  • 2162.694 miles
  • 3480.518 kilometers
  • 1879.330 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
  • 2158.213 miles
  • 3473.308 kilometers
  • 1875.436 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 Niagara Falls to Ontario?

The estimated flight time from Niagara Falls International Airport to Ontario International Airport is 4 hours and 35 minutes.

Flight carbon footprint between Niagara Falls International Airport (IAG) and Ontario International Airport (ONT)

On average, flying from Niagara Falls to Ontario generates about 236 kg of CO2 per passenger, and 236 kilograms equals 520 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Niagara Falls to Ontario

See the map of the shortest flight path between Niagara Falls International Airport (IAG) and Ontario International Airport (ONT).

Airport information

Origin Niagara Falls International Airport
City: Niagara Falls, NY
Country: United States Flag of United States
IATA Code: IAG
ICAO Code: KIAG
Coordinates: 43°6′26″N, 78°56′46″W
Destination 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