Distance from Boston to Washington, D.C.
630 km · 392 miles as the crow flies, about 1 h 17 min by air.
42.3300°, -71.0700° · America/New York
38.8995°, -77.0094° · America/New York
WGS-84 ellipsoid (Vincenty). Spherical haversine gives 630 km. Flight time assumes 800 km/h cruise + 30 min for taxi, climb and descent.
Boston to Washington, D.C. at a glance
| Straight-line distance | 630 km / 392 mi / 340 nmi |
|---|---|
| Estimated flight time | 1 h 17 min |
| Initial bearing | 235° (SW) |
| Halfway point | 40.653°, -74.116° |
| Boston coordinates | 42.33°, -71.07° |
| Washington, D.C. coordinates | 38.8995°, -77.0094° |
Time difference: Boston and Washington, D.C.. Local time: Boston · Washington, D.C.. Sun times: sunrise and sunset in Washington, D.C..
More routes from Boston
Frequently asked questions
How far is Boston from Washington, D.C.?
630 km (392 miles, 340 nautical miles) in a straight line over the Earth’s surface, measured between the city centres on the WGS-84 ellipsoid.
How long is the flight from Boston to Washington, D.C.?
About 1 h 17 min in still air (800 km/h cruise plus 30 minutes for taxi, climb and descent). Scheduled flights vary with winds and routing, and connecting itineraries take longer.
Which direction is Washington, D.C. from Boston?
The great-circle route leaves Boston on an initial bearing of 235° (SW). The halfway point is near 40.65°, -74.12°.