There are
1,175 mi
from Rancho Cucamonga, CA to Issaquah, WA
That's the driving distance. It would take 22 hours 21 mins to go from Rancho Cucamonga, California to Issaquah, Washington.
The flight distance (direct flight from Rancho Cucamonga, CA to Issaquah, WA) is 955.68 mi.
1,175 mi = 1.61 kms