How far is Boston, MA, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Boston (Logan International Airport) is 2494 miles / 4014 kilometers / 2167 nautical miles.
The driving distance from Seattle (BFI) to Boston (BOS) is 2940 miles / 4731 kilometers, and travel time by car is about 54 hours 26 minutes.
Seattle Boeing Field – Logan International Airport
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Distance from Seattle to Boston
There are several ways to calculate the distance from Seattle to Boston. Here are two standard methods:
Vincenty's formula (applied above)- 2494.268 miles
- 4014.135 kilometers
- 2167.460 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- 2487.498 miles
- 4003.240 kilometers
- 2161.577 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 Seattle to Boston?
The estimated flight time from Seattle Boeing Field to Logan International Airport is 5 hours and 13 minutes.
What is the time difference between Seattle and Boston?
The time difference between Seattle and Boston is 3 hours. Boston is 3 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Logan International Airport (BOS)
On average, flying from Seattle to Boston generates about 275 kg of CO2 per passenger, and 275 kilograms equals 605 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
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Logan International Airport (BOS).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |