Miles between Westminster, CO and Sammamish, WA

There are
1,290 mi
from Westminster, CO to Sammamish, WA

That's the driving distance. It would take 22 hours 29 mins to go from Westminster, Colorado to Sammamish, Washington.

The flight distance (direct flight from Westminster, CO to Sammamish, WA) is 1,003.94 mi.

1,290 mi = 1.61 kms