There are
258 mi
from Temecula, CA to Arroyo Grande, CA
That's the driving distance. It would take 5 hours 10 mins to go from Temecula, California to Arroyo Grande, California.
The flight distance (direct flight from Temecula, CA to Arroyo Grande, CA) is 226.30 mi.
258 mi = 415.84 kms