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

The distance between Rochester (Greater Rochester International Airport) and Ontario (Ontario International Airport) is 2227 miles / 3584 kilometers / 1935 nautical miles.

The driving distance from Rochester (ROC) to Ontario (ONT) is 2561 miles / 4121 kilometers, and travel time by car is about 45 hours 34 minutes.

Distance from Rochester to Ontario

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

Vincenty's formula (applied above)

• 2227.061 miles
• 3584.107 kilometers
• 1935.263 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

• 2222.405 miles
• 3576.615 kilometers
• 1931.217 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 Rochester to Ontario?

The estimated flight time from Greater Rochester International Airport to Ontario International Airport is 4 hours and 42 minutes.

What is the time difference between Rochester and Ontario?

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

Flight carbon footprint between Greater Rochester International Airport (ROC) and Ontario International Airport (ONT)

On average, flying from Rochester to Ontario generates about 244 kg of CO2 per passenger, and 244 kilograms equals 537 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rochester to Ontario

See the map of the shortest flight path between Greater Rochester International Airport (ROC) and Ontario International Airport (ONT).

Airport information

Origin	Greater Rochester International Airport
City:	Rochester, NY
Country:	United States
IATA Code:	ROC
ICAO Code:	KROC
Coordinates:	43°7′8″N, 77°40′20″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