Airport Comparison
| CMH | IAD | |
|---|---|---|
| Airport Name | John Glenn Columbus International Airport | Washington Dulles International Airport |
| IATA Code | CMH | IAD |
| ICAO Code | KCMH | KIAD |
| City | Columbus | Washington |
| Country | United States | United States |
| Timezone | America/New_York | America/New_York |
| Elevation | 815 ft | 312 ft |
| Coordinates | 40.000000, -82.890000 | 38.900000, -77.500000 |
Columbus (CMH) to Washington (IAD) Flight Distance
The flight distance from John Glenn Columbus International Airport (CMH) in Columbus, United States to Washington Dulles International Airport (IAD) in Washington, United States is 479 kilometers (297 miles / 258 nautical miles). The estimated flight time for this route is approximately 2h, flying east southeast at a heading of 103°.
This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 08:48 in Columbus, it's 08:48 in Washington.
The return flight from Washington (IAD) to Columbus (CMH) follows a heading of 287° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the John Glenn Columbus International Airport (CMH) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.