There are
1,059 mi
from Yakima, WA to San Dimas, CA
That's the driving distance. It would take 20 hours 25 mins to go from Yakima, Washington to San Dimas, California.
The flight distance (direct flight from Yakima, WA to San Dimas, CA) is 874.82 mi.
1,059 mi = 1.61 kms