There are
1,991 mi
from Gary, IN to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 10 hours to go from Gary, Indiana to Rancho Cucamonga, California.
The flight distance (direct flight from Gary, IN to Rancho Cucamonga, CA) is 1,719.19 mi.
1,991 mi = 1.61 kms