How far is Niagara Falls, NY, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Niagara Falls (Niagara Falls International Airport) is 2163 miles / 3481 kilometers / 1879 nautical miles.
The driving distance from Ontario (ONT) to Niagara Falls (IAG) is 2494 miles / 4013 kilometers, and travel time by car is about 44 hours 15 minutes.
Ontario International Airport – Niagara Falls International Airport
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Distance from Ontario to Niagara Falls
There are several ways to calculate the distance from Ontario to Niagara Falls. 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 Ontario to Niagara Falls?
The estimated flight time from Ontario International Airport to Niagara Falls International Airport is 4 hours and 35 minutes.
What is the time difference between Ontario and Niagara Falls?
Flight carbon footprint between Ontario International Airport (ONT) and Niagara Falls International Airport (IAG)
On average, flying from Ontario to Niagara Falls 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 Ontario to Niagara Falls
See the map of the shortest flight path between Ontario International Airport (ONT) and Niagara Falls International Airport (IAG).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | Niagara Falls International Airport |
|---|---|
| City: | Niagara Falls, NY |
| Country: | United States |
| IATA Code: | IAG |
| ICAO Code: | KIAG |
| Coordinates: | 43°6′26″N, 78°56′46″W |