There are
422 mi
from Lake Havasu City, AZ to Paso Robles, CA
That's the driving distance. It would take 8 hours 1 min to go from Lake Havasu City, Arizona to Paso Robles, California.
The flight distance (direct flight from Lake Havasu City, AZ to Paso Robles, CA) is 368.69 mi.
422 mi = 678.96 kms