DCA to HHH: Distance and Flight Time
The distance from Ronald Reagan Washington National Airport (DCA) to Hilton Head Airport (HHH) is 808 km (502 mi). A typical nonstop flight covers it in about 1h 30m, heading southwest. The distance is the same in either direction (HHH to DCA).
How far is it from Washington to Hilton Head Island?
The great-circle distance between Ronald Reagan Washington National Airport (DCA) and Hilton Head Airport (HHH) is 808 km (502 mi, 436 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 DCA to HHH?
A nonstop flight typically takes about 1h 30m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. HHH is roughly southwest of DCA.
How is the DCA to HHH route written in code?
The pair is written DCA-HHH in IATA codes and KDCA-KHXD in ICAO codes, the form used on a flight plan. Ronald Reagan Washington National Airport is DCA (KDCA), Hilton Head Airport is HHH (KHXD).
| DCA | HHH | |
|---|---|---|
| Airport | Ronald Reagan Washington National Airport | Hilton Head Airport |
| ICAO code | KDCA | KHXD |
| Country | United States | United States |
| Elevation | 15 ft | 19 ft |
| Rank by connections | #70 | #1579 |
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.
The two fields sit at almost the same height, within 4 ft (1 m) of each other.
Airlines flying DCA to HHH
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 |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
A further 1 carrier sell this pair as a codeshare without operating it: US.
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 Washington from Hilton Head Island?
Ronald Reagan Washington National Airport (DCA) and Hilton Head Airport (HHH) are 808 km (502 mi, 436 nautical miles) apart in a straight line.
How long is the flight from DCA to HHH?
A typical nonstop flight between DCA and HHH takes about 1h 30m. Actual times vary with aircraft type, winds and routing.
What direction is HHH from DCA?
Hilton Head Airport (HHH) lies roughly southwest of Ronald Reagan Washington National Airport (DCA).
Which airlines fly DCA to HHH?
1 airline appear on the DCA-HHH route in the open dataset, including American Airlines.
Related routes
Other routes from Washington (DCA):
DCA airport code · HHH airport code · Busiest airports worldwide