Distance between Seattle, WA (SEA) and Boston, MA (BOS)
Distance from Seattle to Boston (Seattle–Tacoma International Airport – Logan International Airport) is 2496 miles / 4016 kilometers / 2169 nautical miles.
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Seattle - Boston
How far is Boston from Seattle?
There are several ways to calculate distances between Seattle and Boston. 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 (SEA) to Logan International Airport (BOS) is 5 hours 13 minutes.
Time difference and current local times
The time difference between Seattle and Boston is 3 hours. Boston is 3 hours ahead of Seattle.
Time Difference
Seattle, WA
Boston, MA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 279 kg (615 pounds).
Airport information
| A | 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 |
| 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 |
Seattle to Boston flight path
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Logan International Airport (BOS).
Frequent Flyer Miles Calculator
Seattle (SEA) → Boston (BOS).
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