Miles between Thornton, CO and Richland, WA

There are
1,092 mi
from Thornton, CO to Richland, WA

That's the driving distance. It would take 18 hours 40 mins to go from Thornton, Colorado to Richland, Washington.

The flight distance (direct flight from Thornton, CO to Richland, WA) is 845.64 mi.

1,092 mi = 1.61 kms