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Distance between Seattle, WA (SEA) and Boston, MA (BOS)

Flight distance from Seattle to Boston (Seattle–Tacoma International Airport – Logan International Airport) is 2496 miles / 4016 kilometers / 2169 nautical miles. Estimated flight time is 5 hours 13 minutes.

Driving distance from Seattle (SEA) to Boston (BOS) is 2997 miles / 4823 kilometers and travel time by car is about 54 hours 39 minutes.

Seattle – Boston

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2496
Miles
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4016
Kilometers
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2169
Nautical miles

How far is Boston from Seattle?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 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 – the shortest distance between two points).

Flight Duration

Estimated flight time from Seattle–Tacoma International Airport to Logan International Airport is 5 hours 13 minutes.

Time difference

The time difference between Seattle and Boston is 3 hours. Boston is 3 hours ahead of Seattle.
Seattle time to Boston time converter

Carbon dioxide emissions

On average flying from Seattle to Boston generates about 275 kg of CO2 per passenger, 275 kilograms is equal to 606 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Boston

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Logan International Airport (BOS).

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W
Destination 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

Airlines flying from Seattle (SEA) to Boston (BOS)

Alaska Airlines
American Airlines
JetBlue Airways