How far is Decatur, IL, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Decatur (Decatur Airport) is 511 miles / 823 kilometers / 444 nautical miles.
The driving distance from Roanoke (ROA) to Decatur (DEC) is 650 miles / 1046 kilometers, and travel time by car is about 12 hours 40 minutes.
Roanoke–Blacksburg Regional Airport – Decatur Airport
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Distance from Roanoke to Decatur
There are several ways to calculate the distance from Roanoke to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 511.241 miles
- 822.762 kilometers
- 444.256 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 510.245 miles
- 821.161 kilometers
- 443.391 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).
How long does it take to fly from Roanoke to Decatur?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Decatur Airport is 1 hour and 28 minutes.
What is the time difference between Roanoke and Decatur?
The time difference between Roanoke and Decatur is 1 hour. Decatur is 1 hour behind Roanoke.
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Decatur Airport (DEC)
On average, flying from Roanoke to Decatur generates about 100 kg of CO2 per passenger, and 100 kilograms equals 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roanoke to Decatur
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Decatur Airport (DEC).
Airport information
| Origin | Roanoke–Blacksburg Regional Airport |
|---|---|
| City: | Roanoke, VA |
| Country: | United States  |
| IATA Code: | ROA |
| ICAO Code: | KROA |
| Coordinates: | 37°19′31″N, 79°58′31″W |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |