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

The distance between Great Falls (Great Falls International Airport) and Quincy (Quincy Regional Airport) is 1132 miles / 1822 kilometers / 984 nautical miles.

The driving distance from Great Falls (GTF) to Quincy (UIN) is 1394 miles / 2243 kilometers, and travel time by car is about 26 hours 10 minutes.

Great Falls International Airport – Quincy Regional Airport

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1132
Miles
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1822
Kilometers
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984
Nautical miles

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Distance from Great Falls to Quincy

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

Vincenty's formula (applied above)
  • 1131.915 miles
  • 1821.641 kilometers
  • 983.608 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
  • 1129.687 miles
  • 1818.055 kilometers
  • 981.671 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 Quincy?

The estimated flight time from Great Falls International Airport to Quincy Regional Airport is 2 hours and 38 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Quincy Regional Airport (UIN)

On average, flying from Great Falls to Quincy generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 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 Quincy

See the map of the shortest flight path between Great Falls International Airport (GTF) and Quincy Regional Airport (UIN).

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 Quincy Regional Airport
City: Quincy, IL
Country: United States Flag of United States
IATA Code: UIN
ICAO Code: KUIN
Coordinates: 39°56′33″N, 91°11′40″W