Air Miles Calculator

Distance between Washington D.C. (DCA) and Boston, MA (BOS)

Flight distance from Washington D.C. to Boston (Ronald Reagan Washington National Airport – Logan International Airport) is 399 miles / 642 kilometers / 347 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Washington D.C. (DCA) to Boston (BOS) is 442 miles / 711 kilometers and travel time by car is about 8 hours 28 minutes.

Map of flight path and driving directions from Washington D.C. to Boston.

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Logan International Airport (BOS).

How far is Boston from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Boston. Here are two common methods:

Vincenty's formula (applied above)
  • 399.034 miles
  • 642.183 kilometers
  • 346.751 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 398.593 miles
  • 641.474 kilometers
  • 346.368 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B Logan International Airport
City: Boston, MA
Country: United States Flag of United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″W

Time difference and current local times

There is no time difference between Washington D.C. and Boston.

Time Difference

Washington D.C.

 EST

Boston, MA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 84 kg (185 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Boston (BOS).

Distance:
399
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
399

Round trip?