Miles between Longmont, CO and Piedmont, CA

There are
1,225 mi
from Longmont, CO to Piedmont, CA

That's the driving distance. It would take 21 hours 1 min to go from Longmont, Colorado to Piedmont, California.

The flight distance (direct flight from Longmont, CO to Piedmont, CA) is 932.46 mi.

1,225 mi = 1.61 kms