There are
1,724 mi
from Lafayette, LA to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 5 hours to go from Lafayette, Louisiana to Rancho Cucamonga, California.
The flight distance (direct flight from Lafayette, LA to Rancho Cucamonga, CA) is 1,515.47 mi.
1,724 mi = 1.61 kms