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

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

The driving distance from Decatur (DEC) to Memphis (MEM) is 402 miles / 647 kilometers, and travel time by car is about 7 hours 41 minutes.

Distance from Decatur to Memphis

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

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

What is the time difference between Decatur and Memphis?

There is no time difference between Decatur and Memphis.

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

On average, flying from Decatur to Memphis 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 Decatur to Memphis

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

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	Memphis International Airport
City:	Memphis, TN
Country:	United States
IATA Code:	MEM
ICAO Code:	KMEM
Coordinates:	35°2′32″N, 89°58′36″W