BOS to DCA: Distance and Flight Time
The distance from Boston Logan International Airport (BOS) to Ronald Reagan Washington National Airport (DCA) is 641 km (398 mi). A typical nonstop flight covers it in about 1h 20m, heading southwest. The distance is the same in either direction (DCA to BOS).
How far is it from Boston to Washington?
The great-circle distance between Boston Logan International Airport (BOS) and Ronald Reagan Washington National Airport (DCA) is 641 km (398 mi, 346 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 BOS to DCA?
A nonstop flight typically takes about 1h 20m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. DCA is roughly southwest of BOS.
How is the BOS to DCA route written in code?
The pair is written BOS-DCA in IATA codes and KBOS-KDCA in ICAO codes, the form used on a flight plan. Boston Logan International Airport is BOS (KBOS), Ronald Reagan Washington National Airport is DCA (KDCA).
| BOS | DCA | |
|---|---|---|
| Airport | Boston Logan International Airport | Ronald Reagan Washington National Airport |
| ICAO code | KBOS | KDCA |
| Country | United States | United States |
| Elevation | 20 ft | 15 ft |
| Rank by connections | #61 | #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.
The two fields sit at almost the same height, within 5 ft (2 m) of each other.
Airlines flying BOS to DCA
3 airlines appear on this route in the open route dataset, 3 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 |
| B6 | JetBlue Airways | JBU | Jetblue | Active |
| US | US Airways | USA | U S Air | Active |
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 Boston from Washington?
Boston Logan International Airport (BOS) and Ronald Reagan Washington National Airport (DCA) are 641 km (398 mi, 346 nautical miles) apart in a straight line.
How long is the flight from BOS to DCA?
A typical nonstop flight between BOS and DCA takes about 1h 20m. Actual times vary with aircraft type, winds and routing.
What direction is DCA from BOS?
Ronald Reagan Washington National Airport (DCA) lies roughly southwest of Boston Logan International Airport (BOS).
Which airlines fly BOS to DCA?
3 airlines appear on the BOS-DCA route in the open dataset, including American Airlines, JetBlue Airways, US Airways.
Related routes
Other routes from Boston (BOS):
Other routes from Washington (DCA):
BOS airport code · DCA airport code · Busiest airports worldwide