There are
1,276 mi
from Rancho Cucamonga, CA to Kalispell, MT
That's the driving distance. It would take 21 hours 46 mins to go from Rancho Cucamonga, California to Kalispell, Montana.
The flight distance (direct flight from Rancho Cucamonga, CA to Kalispell, MT) is 988.38 mi.
1,276 mi = 1.61 kms