CMH to DCA: Distance and Flight Time
The distance from John Glenn Columbus International Airport (CMH) to Ronald Reagan Washington National Airport (DCA) is 519 km (322 mi). A typical nonstop flight covers it in about 1h 10m, heading east. The distance is the same in either direction (DCA to CMH).
How far is it from Columbus to Washington?
The great-circle distance between John Glenn Columbus International Airport (CMH) and Ronald Reagan Washington National Airport (DCA) is 519 km (322 mi, 280 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from CMH to DCA?
A nonstop flight typically takes about 1h 10m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. DCA is roughly east of CMH.
How is the CMH to DCA route written in code?
The pair is written CMH-DCA in IATA codes and KCMH-KDCA in ICAO codes, the form used on a flight plan. John Glenn Columbus International Airport is CMH (KCMH), Ronald Reagan Washington National Airport is DCA (KDCA).
| CMH | DCA | |
|---|---|---|
| Airport | John Glenn Columbus International Airport | Ronald Reagan Washington National Airport |
| ICAO code | KCMH | KDCA |
| Country | United States | United States |
| Elevation | 815 ft | 15 ft |
| Rank by connections | #253 | #70 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
DCA sits 800 ft (244 m) lower than CMH, which is a real difference in air density on takeoff.
Airlines flying CMH to DCA
1 airline appear on this route in the open route dataset, 1 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| US | US Airways | USA | U S Air | Active |
A further 1 carrier sell this pair as a codeshare without operating it: AA.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Columbus from Washington?
John Glenn Columbus International Airport (CMH) and Ronald Reagan Washington National Airport (DCA) are 519 km (322 mi, 280 nautical miles) apart in a straight line.
How long is the flight from CMH to DCA?
A typical nonstop flight between CMH and DCA takes about 1h 10m. Actual times vary with aircraft type, winds and routing.
What direction is DCA from CMH?
Ronald Reagan Washington National Airport (DCA) lies roughly east of John Glenn Columbus International Airport (CMH).
Which airlines fly CMH to DCA?
1 airline appear on the CMH-DCA route in the open dataset, including US Airways.
Related routes
Other routes from Columbus (CMH):
Other routes from Washington (DCA):
CMH airport code · DCA airport code · Busiest airports worldwide