There are
2,901 mi
from San Clemente, CA to New Britain, CT
That's the driving distance. It would take 2 days 3 hours to go from San Clemente, California to New Britain, Connecticut.
The flight distance (direct flight from San Clemente, CA to New Britain, CT) is 2,491.81 mi.
2,901 mi = 4,669.45 kms