Miles between Thornton, CO and Shoreline, WA

There are
1,305 mi
from Thornton, CO to Shoreline, WA

That's the driving distance. It would take 22 hours 40 mins to go from Thornton, Colorado to Shoreline, Washington.

The flight distance (direct flight from Thornton, CO to Shoreline, WA) is 1,019.72 mi.

1,305 mi = 1.61 kms