How far is Washington D.C. from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 192 miles / 308 kilometers / 167 nautical miles.
The driving distance from Roanoke (ROA) to Washington D.C. (DCA) is 237 miles / 381 kilometers, and travel time by car is about 4 hours 33 minutes.
Roanoke–Blacksburg Regional Airport – Ronald Reagan Washington National Airport
Search flights
Distance from Roanoke to Washington D.C.
There are several ways to calculate the distance from Roanoke to Washington D.C.. 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 Roanoke to Washington D.C.?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Ronald Reagan Washington National Airport is 51 minutes.
What is the time difference between Roanoke and Washington D.C.?
There is no time difference between Roanoke and Washington D.C..
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Ronald Reagan Washington National Airport (DCA)
On average, flying from Roanoke to Washington D.C. 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 Roanoke to Washington D.C.
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Ronald Reagan Washington National Airport (DCA).
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 | 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 |