There are
1,852 mi
from Rochester, MN to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 8 hours to go from Rochester, Minnesota to Rancho Cucamonga, California.
The flight distance (direct flight from Rochester, MN to Rancho Cucamonga, CA) is 1,503.54 mi.
1,852 mi = 1.61 kms