There are
2,900 mi
from New Britain, CT to Simi Valley, CA
That's the driving distance. It would take 2 days 4 hours to go from New Britain, Connecticut to Simi Valley, California.
The flight distance (direct flight from New Britain, CT to Simi Valley, CA) is 2,526.53 mi.
2,900 mi = 4,667.63 kms