How far is Seattle, WA, from Boston, MA?
The distance between Boston (Logan International Airport) and Seattle (Seattle–Tacoma International Airport) is 2496 miles / 4016 kilometers / 2169 nautical miles.
The driving distance from Boston (BOS) to Seattle (SEA) is 2942 miles / 4734 kilometers, and travel time by car is about 54 hours 25 minutes.
Logan International Airport – Seattle–Tacoma International Airport
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Distance from Boston to Seattle
There are several ways to calculate the distance from Boston to Seattle. Here are two standard 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 planet.
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).
How long does it take to fly from Boston to Seattle?
The estimated flight time from Logan International Airport to Seattle–Tacoma International Airport is 5 hours and 13 minutes.
What is the time difference between Boston and Seattle?
The time difference between Boston and Seattle is 3 hours. Seattle is 3 hours behind Boston.
Flight carbon footprint between Logan International Airport (BOS) and Seattle–Tacoma International Airport (SEA)
On average, flying from Boston to Seattle generates about 275 kg of CO2 per passenger, and 275 kilograms equals 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 Boston to Seattle
See the map of the shortest flight path between Logan International Airport (BOS) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States  |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |
| Destination | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
Airlines flying from Boston (BOS) to Seattle (SEA)
| Alaska Airlines |
| American Airlines |
| JetBlue Airways |