There are
2,851 mi
from Rancho Cucamonga, CA to Hartford, CT
That's the driving distance. It would take 2 days 2 hours to go from Rancho Cucamonga, California to Hartford, Connecticut.
The flight distance (direct flight from Rancho Cucamonga, CA to Hartford, CT) is 2,474.70 mi.
2,851 mi = 3.22 kms