Distance From Dulles International Airport to Port Columbus International Airport (IAD - CMH Distance)
The flight distance from Dulles International Airport (IAD) to Port Columbus International Airport (CMH) is 299 miles. This is equivalent to 481 kilometers or 260 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.
481 kilometers is the distance from Dulles International Airport, United States to Port Columbus International Airport, United States.
Flight Duration between Washington, United States and Columbus, United States
Estimated flight time from Dulles International Airport, Washington, United States to Port Columbus International Airport, Columbus, United States is 0 hours 35 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 - CMH
Time difference between Washington (United States) and Columbus (United States) is 0 Hours.
Current local time in Washington is 2025-07-27, 22:40:27 EDT and time in Columbus is 2025-07-27, 22:40:27 EDT.
Dulles International Airport to Port Columbus International Airport Flight Route Map - IAD to CMH Flight Path
Location of Dulles International Airport & Port Columbus International Airport is given below.Click the map to view Washington to Columbus nonstop flight path and travel direction.
























Nonstop flight route between Washington, United States and Columbus, United States.
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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: | 2025-07-27, 22:40:27 EDT |
Current weather: |
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City: | Columbus |
Country: | United States ![]() |
IATA Code: | CMH |
ICAO Code: | KCMH |
GPS Coordinates: | Latitude: N 39° 59' 52.7'' Longitude: W 82° 53' 30.8'' |
Current time: | 2025-07-27, 22:40:27 EDT |
Current weather: |
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Flights: |
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