Miles between Ontario, CA and Sunnyside, WA

There are
1,091 mi
from Ontario, CA to Sunnyside, WA

That's the driving distance. It would take 20 hours 40 mins to go from Ontario, California to Sunnyside, Washington.

The flight distance (direct flight from Ontario, CA to Sunnyside, WA) is 856.10 mi.

1,091 mi = 1.61 kms