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

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

The driving distance from Duluth (DLH) to Decatur (DEC) is 578 miles / 930 kilometers, and travel time by car is about 10 hours 55 minutes.

Distance from Duluth to Decatur

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

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

What is the time difference between Duluth and Decatur?

There is no time difference between Duluth and Decatur.

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

On average, flying from Duluth to Decatur 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 Duluth to Decatur

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

Airport information

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

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