Air Miles Calculator

Distance between Greenville, SC (GSP) and Decatur, IL (DEC)

Distance from Greenville to Decatur (Greenville–Spartanburg International Airport – Decatur Airport) is 500 miles / 804 kilometers / 434 nautical miles.

How far is Decatur from Greenville?

There are several ways to calculate distances between Greenville and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 499.581 miles
  • 803.998 kilometers
  • 434.124 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
  • 499.394 miles
  • 803.697 kilometers
  • 433.962 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).

Flight duration

Estimated flight time from Greenville–Spartanburg International Airport (GSP) to Decatur Airport (DEC) is 1 hour 26 minutes.

Time difference and current local times

The time difference between Greenville and Decatur is 1 hour. Decatur is 1 hour behind Greenville.

Time Difference

Greenville
Decatur

Greenville, SC

 EDT

Decatur, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 99 kg (218 pounds).

Airport information


A Greenville–Spartanburg International Airport
City: Greenville, SC
Country: United States Flag of United States
IATA Code: GSP
ICAO Code: KGSP
Coordinates: 34°53′44″N, 82°13′8″W

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

Greenville to Decatur flight path

Shortest flight path between Greenville–Spartanburg International Airport (GSP) and Decatur Airport (DEC).

Frequent Flyer Miles Calculator

Greenville (GSP) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
500
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
500

Round trip?