There are
2,949 mi
from Waterbury, CT to Lathrop, CA
That's the driving distance. It would take 2 days 3 hours to go from Waterbury, Connecticut to Lathrop, California.
The flight distance (direct flight from Waterbury, CT to Lathrop, CA) is 2,543.67 mi.
2,949 mi = 3.22 kms