There are
2,886 mi
from New Britain, CT to Temecula, CA
That's the driving distance. It would take 2 days 3 hours to go from New Britain, Connecticut to Temecula, California.
The flight distance (direct flight from New Britain, CT to Temecula, CA) is 2,465.82 mi.
2,886 mi = 4,643.94 kms