There are
2,852 mi
from Waterbury, CT to Rosemead, CA
That's the driving distance. It would take 2 days 2 hours to go from Waterbury, Connecticut to Rosemead, California.
The flight distance (direct flight from Waterbury, CT to Rosemead, CA) is 2,482.04 mi.
2,852 mi = 3.22 kms