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How far is Champaign, IL, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Champaign (University of Illinois Willard Airport) is 1258 miles / 2025 kilometers / 1093 nautical miles.

The driving distance from Great Falls (GTF) to Champaign (CMI) is 1496 miles / 2407 kilometers, and travel time by car is about 27 hours 11 minutes.

Great Falls International Airport – University of Illinois Willard Airport

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1258
Miles
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2025
Kilometers
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1093
Nautical miles

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Distance from Great Falls to Champaign

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

Vincenty's formula (applied above)
  • 1258.373 miles
  • 2025.155 kilometers
  • 1093.496 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
  • 1255.694 miles
  • 2020.843 kilometers
  • 1091.168 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 Great Falls to Champaign?

The estimated flight time from Great Falls International Airport to University of Illinois Willard Airport is 2 hours and 52 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and University of Illinois Willard Airport (CMI)

On average, flying from Great Falls to Champaign generates about 164 kg of CO2 per passenger, and 164 kilograms equals 362 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Great Falls International Airport (GTF) and University of Illinois Willard Airport (CMI).

Airport information

Origin 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
Destination University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W