Miles between Longmont, CO and Walnut Creek, CA

There are
1,214 mi
from Longmont, CO to Walnut Creek, CA

That's the driving distance. It would take 20 hours 46 mins to go from Longmont, Colorado to Walnut Creek, California.

The flight distance (direct flight from Longmont, CO to Walnut Creek, CA) is 922.19 mi.

1,214 mi = 1.61 kms