Miles between Longmont, CO and Los Altos, CA

There are
1,265 mi
from Longmont, CO to Los Altos, CA

That's the driving distance. It would take 21 hours 49 mins to go from Longmont, Colorado to Los Altos, California.

The flight distance (direct flight from Longmont, CO to Los Altos, CA) is 934.74 mi.

1,265 mi = 1.61 kms