Miles between Westminster, CO and Seatac, WA

There are
1,304 mi
from Westminster, CO to Seatac, WA

That's the driving distance. It would take 22 hours 41 mins to go from Westminster, Colorado to Seatac, Washington.

The flight distance (direct flight from Westminster, CO to Seatac, WA) is 1,008.48 mi.

1,304 mi = 1.61 kms