There are
1,301 mi
from Lakewood, CO to Sammamish, WA
That's the driving distance. It would take 22 hours 41 mins to go from Lakewood, Colorado to Sammamish, Washington.
The flight distance (direct flight from Lakewood, CO to Sammamish, WA) is 1,007.76 mi.
1,301 mi = 1.61 kms