There are
2,823 mi
from Waterbury, CT to Grand Terrace, CA
That's the driving distance. It would take 2 days 2 hours to go from Waterbury, Connecticut to Grand Terrace, California.
The flight distance (direct flight from Waterbury, CT to Grand Terrace, CA) is 2,444.23 mi.
2,823 mi = 3.22 kms