How far is Decatur, IL, from Memphis, TN?

The distance between Memphis (Memphis International Airport) and Decatur (Decatur Airport) is 336 miles / 541 kilometers / 292 nautical miles.

The driving distance from Memphis (MEM) to Decatur (DEC) is 403 miles / 648 kilometers, and travel time by car is about 7 hours 41 minutes.

Distance from Memphis to Decatur

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

Vincenty's formula (applied above)

• 336.077 miles
• 540.864 kilometers
• 292.043 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

• 336.663 miles
• 541.807 kilometers
• 292.553 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 Memphis to Decatur?

The estimated flight time from Memphis International Airport to Decatur Airport is 1 hour and 8 minutes.

What is the time difference between Memphis and Decatur?

There is no time difference between Memphis and Decatur.

Flight carbon footprint between Memphis International Airport (MEM) and Decatur Airport (DEC)

On average, flying from Memphis to Decatur generates about 74 kg of CO2 per passenger, and 74 kilograms equals 164 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Memphis to Decatur

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

Airport information

Origin	Memphis International Airport
City:	Memphis, TN
Country:	United States
IATA Code:	MEM
ICAO Code:	KMEM
Coordinates:	35°2′32″N, 89°58′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