Miles between Longmont, CO and San Ramon, CA

There are
1,225 mi
from Longmont, CO to San Ramon, CA

That's the driving distance. It would take 20 hours 59 mins to go from Longmont, Colorado to San Ramon, California.

The flight distance (direct flight from Longmont, CO to San Ramon, CA) is 919.92 mi.

1,225 mi = 1.61 kms