Search by airport name, city or IATA airport code.
Boston (BOS) - Seattle (SEA)
Calculations with different methods
- 2495.684 miles
- 4016.415 kilometers
- 2168.690 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
- 2488.911 miles
- 4005.514 kilometers
- 2162.805 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Logan International Airport (BOS) to Seattle–Tacoma International Airport (SEA) is 5 hours 13 minutes.
Time difference and current local times
The time difference between Boston and Seattle is 3 hours. Seattle is 3 hours behind Boston.
Flight map from Boston to Seattle.
Frequent Flyer Miles Calculator
Boston (BOS) → Seattle (SEA).