What is the flight distance between IAD and ROA?

Distance between Dulles International Airport (IAD) and Roanoke Regional Airport (ROA) is 285 kilometers or 177 miles.

Distance From Dulles International Airport to Roanoke Regional Airport (IAD - ROA Distance)

Q: How long is the flight from IAD to ROA?

Flight time from Dulles International Airport, Washington, United States to Roanoke Regional Airport, Roanoke, United States is 0 hours 21 minutes under avarage conditions.

Q: What is the time difference between Washington, United States and Roanoke, United States?

Time difference between Washington (United States) and Roanoke (United States) is 0 Hours. It is currently 00:34 in Dulles International Airport (IAD) and 00:34 in Roanoke Regional Airport (ROA).

The flight distance from Dulles International Airport (IAD) to Roanoke Regional Airport (ROA) is 177 miles. This is equivalent to 285 kilometers or 154 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

285 kilometers is the distance from Dulles International Airport, United States to Roanoke Regional Airport, United States.

Flight Duration between Washington, United States and Roanoke, United States

Estimated flight time from Dulles International Airport, Washington, United States to Roanoke Regional Airport, Roanoke, United States is 0 hours 21 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • IAD - ROA

Time difference between Washington (United States) and Roanoke (United States) is 0 Hours.
Current local time in Washington is 2025-07-28, 00:34:14 EDT and time in Roanoke is 2025-07-28, 00:34:14 EDT.

Dulles International Airport to Roanoke Regional Airport Flight Route Map - IAD to ROA Flight Path

Location of Dulles International Airport & Roanoke Regional Airport is given below.
Click the map to view Washington to Roanoke nonstop flight path and travel direction.

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Click to see flight route on Google Map between Washington, United States and Roanoke, United States. .

Nonstop flight route between Washington, United States and Roanoke, United States.

Dulles International Airport
City:	Washington
Country:	United States
IATA Code:	IAD
ICAO Code:	KIAD
GPS Coordinates:	Latitude: N 38° 56' 40.3'' Longitude: W 77° 27' 20.9''
Current time:	2025-07-28, 00:34:14 EDT
Current weather:	Dulles International Airport 15 day weather forecast

Roanoke Regional Airport
City:	Roanoke
Country:	United States
IATA Code:	ROA
ICAO Code:	KROA
GPS Coordinates:	Latitude: N 37° 19' 31.7'' Longitude: W 79° 58' 31.5''
Current time:	2025-07-28, 00:34:14 EDT
Current weather:	Roanoke Regional Airport 15 day weather forecast
Flights: