How far is Washington D.C. from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 177 miles / 285 kilometers / 154 nautical miles.
The driving distance from Roanoke (ROA) to Washington D.C. (IAD) is 222 miles / 357 kilometers, and travel time by car is about 4 hours 12 minutes.
Roanoke–Blacksburg Regional Airport – Washington Dulles International Airport
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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)- 176.930 miles
- 284.741 kilometers
- 153.748 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- 176.800 miles
- 284.532 kilometers
- 153.635 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 Washington Dulles International Airport is 50 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 Washington Dulles International Airport (IAD)
On average, flying from Roanoke to Washington D.C. generates about 51 kg of CO2 per passenger, and 51 kilograms equals 113 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 Washington Dulles International Airport (IAD).
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 | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
Airlines flying from Roanoke (ROA) to Washington D.C. (IAD)
| United Airlines |