There are
419 mi
from Rancho Cucamonga, CA to Pacifica, CA
That's the driving distance. It would take 7 hours 58 mins to go from Rancho Cucamonga, California to Pacifica, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Pacifica, CA) is 365.72 mi.
419 mi = 673.75 kms