How far is Roanoke, VA, from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 192 miles / 308 kilometers / 167 nautical miles.
The driving distance from Washington D.C. (DCA) to Roanoke (ROA) is 237 miles / 381 kilometers, and travel time by car is about 4 hours 33 minutes.
Ronald Reagan Washington National Airport – Roanoke–Blacksburg Regional Airport
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Distance from Washington D.C. to Roanoke
There are several ways to calculate the distance from Washington D.C. to Roanoke. Here are two standard methods:
Vincenty's formula (applied above)- 191.634 miles
- 308.404 kilometers
- 166.525 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- 191.417 miles
- 308.055 kilometers
- 166.337 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 Washington D.C. to Roanoke?
The estimated flight time from Ronald Reagan Washington National Airport to Roanoke–Blacksburg Regional Airport is 51 minutes.
What is the time difference between Washington D.C. and Roanoke?
There is no time difference between Washington D.C. and Roanoke.
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Washington D.C. to Roanoke generates about 53 kg of CO2 per passenger, and 53 kilograms equals 117 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Roanoke
See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″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 |