How far is Roanoke, VA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 511 miles / 823 kilometers / 444 nautical miles.
The driving distance from Decatur (DEC) to Roanoke (ROA) is 651 miles / 1048 kilometers, and travel time by car is about 12 hours 41 minutes.
Decatur Airport – Roanoke–Blacksburg Regional Airport
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Distance from Decatur to Roanoke
There are several ways to calculate the distance from Decatur to Roanoke. 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 Decatur to Roanoke?
The estimated flight time from Decatur Airport to Roanoke–Blacksburg Regional Airport is 1 hour and 28 minutes.
What is the time difference between Decatur and Roanoke?
The time difference between Decatur and Roanoke is 1 hour. Roanoke is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Decatur to Roanoke 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 Decatur to Roanoke
See the map of the shortest flight path between Decatur Airport (DEC) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | 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 |