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How far is Dubuque, IA, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Dubuque (Dubuque Regional Airport) is 1087 miles / 1749 kilometers / 944 nautical miles.

The driving distance from Helena (HLN) to Dubuque (DBQ) is 1284 miles / 2067 kilometers, and travel time by car is about 23 hours 18 minutes.

Helena Regional Airport – Dubuque Regional Airport

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1087
Miles
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1749
Kilometers
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944
Nautical miles

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Distance from Helena to Dubuque

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

Vincenty's formula (applied above)
  • 1086.791 miles
  • 1749.021 kilometers
  • 944.396 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
  • 1084.057 miles
  • 1744.621 kilometers
  • 942.020 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 Helena to Dubuque?

The estimated flight time from Helena Regional Airport to Dubuque Regional Airport is 2 hours and 33 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Dubuque Regional Airport (DBQ)

On average, flying from Helena to Dubuque generates about 156 kg of CO2 per passenger, and 156 kilograms equals 344 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Dubuque

See the map of the shortest flight path between Helena Regional Airport (HLN) and Dubuque Regional Airport (DBQ).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″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