How far is Duluth, MN, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Duluth (Duluth International Airport) is 512 miles / 824 kilometers / 445 nautical miles.

The driving distance from Decatur (DEC) to Duluth (DLH) is 580 miles / 933 kilometers, and travel time by car is about 11 hours 8 minutes.

Distance from Decatur to Duluth

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

Vincenty's formula (applied above)

• 511.865 miles
• 823.767 kilometers
• 444.799 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

• 512.112 miles
• 824.164 kilometers
• 445.013 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 Decatur to Duluth?

The estimated flight time from Decatur Airport to Duluth International Airport is 1 hour and 28 minutes.

What is the time difference between Decatur and Duluth?

There is no time difference between Decatur and Duluth.

Flight carbon footprint between Decatur Airport (DEC) and Duluth International Airport (DLH)

On average, flying from Decatur to Duluth generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Duluth

See the map of the shortest flight path between Decatur Airport (DEC) and Duluth International Airport (DLH).

Airport information

Origin	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W

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