Miles between Greeley, CO and Sammamish, WA

There are
1,263 mi
from Greeley, CO to Sammamish, WA

That's the driving distance. It would take 22 hours 5 mins to go from Greeley, Colorado to Sammamish, Washington.

The flight distance (direct flight from Greeley, CO to Sammamish, WA) is 993.39 mi.

1,263 mi = 1.61 kms