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.
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Richmond - Decatur
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, VA
Decatur, IL
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  |
| IATA Code: | RIC |
| ICAO Code: | KRIC |
| Coordinates: | 37°30′18″N, 77°19′10″W |
| B | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | 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).
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