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How far is Great Falls, MT, from Rochester, NY?

The distance between Rochester (Greater Rochester International Airport) and Great Falls (Great Falls International Airport) is 1656 miles / 2665 kilometers / 1439 nautical miles.

The driving distance from Rochester (ROC) to Great Falls (GTF) is 1883 miles / 3031 kilometers, and travel time by car is about 35 hours 51 minutes.

Greater Rochester International Airport – Great Falls International Airport

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1656
Miles
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2665
Kilometers
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1439
Nautical miles

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Distance from Rochester to Great Falls

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

Vincenty's formula (applied above)
  • 1656.224 miles
  • 2665.433 kilometers
  • 1439.219 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
  • 1651.758 miles
  • 2658.247 kilometers
  • 1435.339 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 Great Falls?

The estimated flight time from Greater Rochester International Airport to Great Falls International Airport is 3 hours and 38 minutes.

Flight carbon footprint between Greater Rochester International Airport (ROC) and Great Falls International Airport (GTF)

On average, flying from Rochester to Great Falls generates about 190 kg of CO2 per passenger, and 190 kilograms equals 418 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 Great Falls

See the map of the shortest flight path between Greater Rochester International Airport (ROC) and Great Falls International Airport (GTF).

Airport information

Origin Greater Rochester International Airport
City: Rochester, NY
Country: United States Flag of United States
IATA Code: ROC
ICAO Code: KROC
Coordinates: 43°7′8″N, 77°40′20″W
Destination Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W