Miles between Longmont, CO and Rosemead, CA

There are
1,032 mi
from Longmont, CO to Rosemead, CA

That's the driving distance. It would take 18 hours 8 mins to go from Longmont, Colorado to Rosemead, California.

The flight distance (direct flight from Longmont, CO to Rosemead, CA) is 827.87 mi.

1,032 mi = 1.61 kms