How far is Buffalo, NY, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Buffalo (Buffalo Niagara International Airport) is 2173 miles / 3497 kilometers / 1888 nautical miles.
The driving distance from Ontario (ONT) to Buffalo (BUF) is 2501 miles / 4025 kilometers, and travel time by car is about 44 hours 29 minutes.
Ontario International Airport – Buffalo Niagara International Airport
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Distance from Ontario to Buffalo
There are several ways to calculate the distance from Ontario to Buffalo. Here are two standard methods:
Vincenty's formula (applied above)- 2172.831 miles
- 3496.832 kilometers
- 1888.138 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- 2168.307 miles
- 3489.552 kilometers
- 1884.207 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 Buffalo?
The estimated flight time from Ontario International Airport to Buffalo Niagara International Airport is 4 hours and 36 minutes.
What is the time difference between Ontario and Buffalo?
The time difference between Ontario and Buffalo is 3 hours. Buffalo is 3 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Buffalo Niagara International Airport (BUF)
On average, flying from Ontario to Buffalo generates about 237 kg of CO2 per passenger, and 237 kilograms equals 523 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 Buffalo
See the map of the shortest flight path between Ontario International Airport (ONT) and Buffalo Niagara International Airport (BUF).
Airport information
Origin | Ontario International Airport |
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City: | Ontario, CA |
Country: | United States ![]() |
IATA Code: | ONT |
ICAO Code: | KONT |
Coordinates: | 34°3′21″N, 117°36′3″W |
Destination | Buffalo Niagara International Airport |
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City: | Buffalo, NY |
Country: | United States ![]() |
IATA Code: | BUF |
ICAO Code: | KBUF |
Coordinates: | 42°56′25″N, 78°43′55″W |