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How far is Great Falls, MT, from Denver, CO?

The distance between Denver (Denver International Airport) and Great Falls (Great Falls International Airport) is 623 miles / 1003 kilometers / 542 nautical miles.

The driving distance from Denver (DEN) to Great Falls (GTF) is 784 miles / 1261 kilometers, and travel time by car is about 14 hours 53 minutes.

Denver International Airport – Great Falls International Airport

Distance arrow
623
Miles
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1003
Kilometers
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542
Nautical miles

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Distance from Denver to Great Falls

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

Vincenty's formula (applied above)
  • 623.497 miles
  • 1003.420 kilometers
  • 541.804 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
  • 623.367 miles
  • 1003.212 kilometers
  • 541.691 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 Denver to Great Falls?

The estimated flight time from Denver International Airport to Great Falls International Airport is 1 hour and 40 minutes.

What is the time difference between Denver and Great Falls?

There is no time difference between Denver and Great Falls.

Flight carbon footprint between Denver International Airport (DEN) and Great Falls International Airport (GTF)

On average, flying from Denver to Great Falls generates about 116 kg of CO2 per passenger, and 116 kilograms equals 255 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Denver to Great Falls

See the map of the shortest flight path between Denver International Airport (DEN) and Great Falls International Airport (GTF).

Airport information

Origin Denver International Airport
City: Denver, CO
Country: United States Flag of United States
IATA Code: DEN
ICAO Code: KDEN
Coordinates: 39°51′42″N, 104°40′22″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

Airlines flying from Denver (DEN) to Great Falls (GTF)

United Airlines