How far is Seattle, WA, from Boston, MA?
The distance between Boston (Logan International Airport) and Seattle (Seattle Boeing Field) is 2494 miles / 4014 kilometers / 2167 nautical miles.
The driving distance from Boston (BOS) to Seattle (BFI) is 2939 miles / 4730 kilometers, and travel time by car is about 54 hours 21 minutes.
Logan International Airport – Seattle Boeing Field
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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)- 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 Boston to Seattle?
The estimated flight time from Logan International Airport to Seattle Boeing Field 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 Boeing Field (BFI)
On average, flying from Boston to Seattle 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 Boston to Seattle
See the map of the shortest flight path between Logan International Airport (BOS) and Seattle Boeing Field (BFI).
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 Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |