Miles between Longmont, CO and Napa, CA

There are
1,204 mi
from Longmont, CO to Napa, CA

That's the driving distance. It would take 20 hours 34 mins to go from Longmont, Colorado to Napa, California.

The flight distance (direct flight from Longmont, CO to Napa, CA) is 927.77 mi.

1,204 mi = 1.61 kms