There are
3,002 mi
from New Britain, CT to San Leandro, CA
That's the driving distance. It would take 2 days 4 hours to go from New Britain, Connecticut to San Leandro, California.
The flight distance (direct flight from New Britain, CT to San Leandro, CA) is 2,603.27 mi.
3,002 mi = 4,831.05 kms