How far is Ontario, CA, from Buffalo, NY?

The distance between Buffalo (Buffalo Niagara International Airport) and Ontario (Ontario International Airport) is 2173 miles / 3497 kilometers / 1888 nautical miles.

The driving distance from Buffalo (BUF) to Ontario (ONT) is 2501 miles / 4025 kilometers, and travel time by car is about 44 hours 24 minutes.

Distance from Buffalo to Ontario

There are several ways to calculate the distance from Buffalo to Ontario. 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 Buffalo to Ontario?

The estimated flight time from Buffalo Niagara International Airport to Ontario International Airport is 4 hours and 36 minutes.

What is the time difference between Buffalo and Ontario?

The time difference between Buffalo and Ontario is 3 hours. Ontario is 3 hours behind Buffalo.

Flight carbon footprint between Buffalo Niagara International Airport (BUF) and Ontario International Airport (ONT)

On average, flying from Buffalo to Ontario 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 Buffalo to Ontario

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

Airport information

Origin	Buffalo Niagara International Airport
City:	Buffalo, NY
Country:	United States
IATA Code:	BUF
ICAO Code:	KBUF
Coordinates:	42°56′25″N, 78°43′55″W

Destination	Ontario International Airport
City:	Ontario, CA
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
Coordinates:	34°3′21″N, 117°36′3″W