There are
1,578 mi
from Garland, TX to Arroyo Grande, CA
That's the driving distance. It would take 1 day 4 hours to go from Garland, Texas to Arroyo Grande, California.
The flight distance (direct flight from Garland, TX to Arroyo Grande, CA) is 1,376.85 mi.
1,578 mi = 1.61 kms