Miles between Riverside, CA and Longmont, CO

There are
1,009 mi
from Riverside, CA to Longmont, CO

That's the driving distance. It would take 17 hours 44 mins to go from Riverside, California to Longmont, Colorado.

The flight distance (direct flight from Riverside, CA to Longmont, CO) is 801.21 mi.

1,009 mi = 1.61 kms