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How far is Dubuque, IA, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Dubuque (Dubuque Regional Airport) is 1068 miles / 1719 kilometers / 928 nautical miles.

The driving distance from Great Falls (GTF) to Dubuque (DBQ) is 1242 miles / 1999 kilometers, and travel time by car is about 23 hours 33 minutes.

Great Falls International Airport – Dubuque Regional Airport

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1068
Miles
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1719
Kilometers
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928
Nautical miles

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Distance from Great Falls to Dubuque

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

Vincenty's formula (applied above)
  • 1068.436 miles
  • 1719.481 kilometers
  • 928.445 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
  • 1065.848 miles
  • 1715.316 kilometers
  • 926.197 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 Dubuque?

The estimated flight time from Great Falls International Airport to Dubuque Regional Airport is 2 hours and 31 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Dubuque Regional Airport (DBQ)

On average, flying from Great Falls to Dubuque generates about 155 kg of CO2 per passenger, and 155 kilograms equals 342 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 Dubuque

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

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 Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W