There are
2,502 mi
from Rancho Cucamonga, CA to Tonawanda, NY
That's the driving distance. It would take 1 day 20 hours to go from Rancho Cucamonga, California to Tonawanda, New York.
The flight distance (direct flight from Rancho Cucamonga, CA to Tonawanda, NY) is 2,160.21 mi.
2,502 mi = 3.22 kms