There are
2,503 mi
from Buffalo, NY to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 20 hours to go from Buffalo, New York to Rancho Cucamonga, California.
The flight distance (direct flight from Buffalo, NY to Rancho Cucamonga, CA) is 2,158.67 mi.
2,503 mi = 3.22 kms