The distance from Bellingham International Airport to Seattle-Tacoma International Airport is:

107 miles / 172 km driving

93 miles / 150 km flying

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Distance from BLI to SEA

The total driving distance from BLI to SEA is 107 miles or 172 kilometers.

The total straight line flight distance from BLI to SEA is 93 miles.

This is equivalent to 150 kilometers or 81 nautical miles.

Your trip begins at Bellingham International Airport in Bellingham, Washington. It ends at Seattle-Tacoma International Airport in Seattle, Washington.

Your flight direction from BLI to SEA is South (173 degrees from North).

The distance calculator helps you figure out how far it is to get from BLI to SEA. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Bellingham International Airport

IATA: BLI
ICAO: KBLI
FAA: BLI
City: Bellingham
State: Washington
Zip code: 98226
Country: United States
Category: airports

Seattle-Tacoma International Airport

IATA: SEA
ICAO: KSEA
FAA: SEA
City: Seattle
State: Washington
Zip code: 98168
Country: United States
Category: airports

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips. You can also print out pages with a travel map.