There are
439 mi
from San Mateo, CA to Yucaipa, CA
That's the driving distance. It would take 8 hours 21 mins to go from San Mateo, California to Yucaipa, California.
The flight distance (direct flight from San Mateo, CA to Yucaipa, CA) is 383.44 mi.
439 mi = 707.13 kms