Map of flight path and driving directions from Charleston to Decatur.
Shortest flight path between Charleston International Airport (CHS) and Decatur Airport (DEC).
How far is Decatur from Charleston?
There are several ways to calculate distances between Charleston and Decatur. Here are two common methods:Vincenty's formula (applied above)
- 685.542 miles
- 1103.273 kilometers
- 595.720 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
- 685.425 miles
- 1103.085 kilometers
- 595.618 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
The time difference between Charleston and Decatur is 1 hour. Decatur is 1 hour behind Charleston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 123 kg (271 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Decatur (DEC).