Air Miles Calculator

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

Flight distance from Richmond to Decatur (Richmond International Airport – Decatur Airport) is 644 miles / 1037 kilometers / 560 nautical miles. Estimated flight time is 1 hour 43 minutes.

Driving distance from Richmond (RIC) to Decatur (DEC) is 798 miles / 1285 kilometers and travel time by car is about 14 hours 12 minutes.

Map of flight path and driving directions from Richmond to Decatur.

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

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).

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

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, VA

 EST

Decatur, IL

 CST

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Richmond (RIC) → Decatur (DEC).

Distance:
644
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
644

Round trip?