Air Miles Calculator logo

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

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

The driving distance from Duluth (DLH) to Dubuque (DBQ) is 360 miles / 579 kilometers, and travel time by car is about 7 hours 43 minutes.

Duluth International Airport – Dubuque Regional Airport

Distance arrow
315
Miles
Distance arrow
507
Kilometers
Distance arrow
274
Nautical miles

Search flights

Distance from Duluth to Dubuque

There are several ways to calculate the distance from Duluth to Dubuque. 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 Duluth to Dubuque?

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

What is the time difference between Duluth and Dubuque?

There is no time difference between Duluth and Dubuque.

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

On average, flying from Duluth to Dubuque 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 Duluth to Dubuque

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

Airport information

Origin 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
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