There are
2,845 mi
from Waterbury, CT to Monrovia, CA
That's the driving distance. It would take 2 days 2 hours to go from Waterbury, Connecticut to Monrovia, California.
The flight distance (direct flight from Waterbury, CT to Monrovia, CA) is 2,476.48 mi.
2,845 mi = 3.22 kms