Air Miles Calculator

Distance between Richmond, VA (RIC) and Decatur, IL (DEC)

Distance from Richmond to Decatur (Richmond International Airport – Decatur Airport) is 644 miles / 1037 kilometers / 560 nautical miles.

How far is Decatur from Richmond?

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

Vincenty's formula (applied above)
  • 644.187 miles
  • 1036.718 kilometers
  • 559.783 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
  • 642.790 miles
  • 1034.470 kilometers
  • 558.569 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 Richmond International Airport (RIC) to Decatur Airport (DEC) is 1 hour 43 minutes.

Time difference and current local times

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

Time Difference

Richmond
Decatur

Richmond, VA

 EDT

Decatur, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 118 kg (261 pounds).

Airport information


A Richmond International Airport
City: Richmond, VA
Country: United States Flag of United States
IATA Code: RIC
ICAO Code: KRIC
Coordinates: 37°30′18″N, 77°19′10″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

Richmond to Decatur flight path

Shortest flight path between Richmond International Airport (RIC) and Decatur Airport (DEC).

Frequent Flyer Miles Calculator

Richmond (RIC) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
644
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
644

Round trip?