Miles between Longmont, CO and Richland, WA

There are
1,078 mi
from Longmont, CO to Richland, WA

That's the driving distance. It would take 18 hours 26 mins to go from Longmont, Colorado to Richland, Washington.

The flight distance (direct flight from Longmont, CO to Richland, WA) is 827.95 mi.

1,078 mi = 1.61 kms