There are
2,989 mi
from Waterbury, CT to Millbrae, CA
That's the driving distance. It would take 2 days 4 hours to go from Waterbury, Connecticut to Millbrae, California.
The flight distance (direct flight from Waterbury, CT to Millbrae, CA) is 2,605.78 mi.
2,989 mi = 3.22 kms