There are
2,817 mi
from Fontana, CA to Waterbury, CT
That's the driving distance. It would take 2 days 2 hours to go from Fontana, California to Waterbury, Connecticut.
The flight distance (direct flight from Fontana, CA to Waterbury, CT) is 2,448.75 mi.
2,817 mi = 4,532.98 kms