Distance between Seattle, WA (BFI) and Manchester, NH (MHT)
Flight distance from Seattle to Manchester (Seattle Boeing Field – Manchester–Boston Regional Airport) is 2457 miles / 3955 kilometers / 2135 nautical miles. Estimated flight time is 5 hours 9 minutes.
Driving distance from Seattle (BFI) to Manchester (MHT) is 3017 miles / 4855 kilometers and travel time by car is about 51 hours 53 minutes.
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Seattle - Manchester
Map of flight path and driving directions from Seattle to Manchester.
Shortest flight path between Seattle Boeing Field (BFI) and Manchester–Boston Regional Airport (MHT).
How far is Manchester from Seattle?
There are several ways to calculate distances between Seattle and Manchester. Here are two common methods:
Vincenty's formula (applied above)- 2457.409 miles
- 3954.816 kilometers
- 2135.430 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- 2450.664 miles
- 3943.962 kilometers
- 2129.569 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).
Airport information
| A | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| B | Manchester–Boston Regional Airport |
|---|---|
| City: | Manchester, NH |
| Country: | United States |
| IATA Code: | MHT |
| ICAO Code: | KMHT |
| Coordinates: | 42°55′57″N, 71°26′8″W |
Time difference and current local times
The time difference between Seattle and Manchester is 3 hours. Manchester is 3 hours ahead of Seattle.
Time Difference
Seattle, WA
Manchester, NH
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 270 kg (596 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Manchester (MHT).
In total
Round trip?