How far is Roanoke, VA, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 177 miles / 285 kilometers / 154 nautical miles.
The driving distance from Washington D.C. (IAD) to Roanoke (ROA) is 221 miles / 356 kilometers, and travel time by car is about 4 hours 10 minutes.
Washington Dulles International 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)- 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 Washington D.C. to Roanoke?
The estimated flight time from Washington Dulles International Airport to Roanoke–Blacksburg Regional Airport is 50 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 Washington Dulles International Airport (IAD) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Washington D.C. to Roanoke 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 Washington D.C. to Roanoke
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | 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 |
| 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 |
Airlines flying from Washington D.C. (IAD) to Roanoke (ROA)
| United Airlines |