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How far is Duluth, MN, from Dubuque, IA?

The distance between Dubuque (Dubuque Regional Airport) and Duluth (Duluth International Airport) is 315 miles / 507 kilometers / 274 nautical miles.

The driving distance from Dubuque (DBQ) to Duluth (DLH) is 359 miles / 578 kilometers, and travel time by car is about 7 hours 43 minutes.

Dubuque Regional Airport – Duluth International Airport

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315
Miles
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507
Kilometers
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274
Nautical miles

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Distance from Dubuque to Duluth

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

Vincenty's formula (applied above)
  • 315.184 miles
  • 507.240 kilometers
  • 273.887 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
  • 315.327 miles
  • 507.469 kilometers
  • 274.012 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 Dubuque to Duluth?

The estimated flight time from Dubuque Regional Airport to Duluth International Airport is 1 hour and 5 minutes.

What is the time difference between Dubuque and Duluth?

There is no time difference between Dubuque and Duluth.

Flight carbon footprint between Dubuque Regional Airport (DBQ) and Duluth International Airport (DLH)

On average, flying from Dubuque to Duluth generates about 71 kg of CO2 per passenger, and 71 kilograms equals 157 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dubuque to Duluth

See the map of the shortest flight path between Dubuque Regional Airport (DBQ) and Duluth International Airport (DLH).

Airport information

Origin 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
Destination Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W