There are
1,218 mi
from San Mateo, CA to Loveland, CO
That's the driving distance. It would take 21 hours 7 mins to go from San Mateo, California to Loveland, Colorado.
The flight distance (direct flight from San Mateo, CA to Loveland, CO) is 945.40 mi.
1,218 mi = 1.61 kms