# 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
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
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.

EDT

EDT

## 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?