There are
1,162 mi
from Rancho Cucamonga, CA to Tukwila, WA
That's the driving distance. It would take 22 hours to go from Rancho Cucamonga, California to Tukwila, Washington.
The flight distance (direct flight from Rancho Cucamonga, CA to Tukwila, WA) is 954.88 mi.
1,162 mi = 1.61 kms