Map of flight path and driving directions from Memphis to Decatur.
Shortest flight path between Memphis International Airport (MEM) and Decatur Airport (DEC).
How far is Decatur from Memphis?
There are several ways to calculate distances between Memphis and Decatur. Here are two common 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 earth.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).
Time difference and current local times
There is no time difference between Memphis and Decatur.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 74 kg (164 pounds).
Frequent Flyer Miles Calculator
Memphis (MEM) → Decatur (DEC).