There are
2,940 mi
from New Britain, CT to Mountlake Terrace, WA
That's the driving distance. It would take 2 days 4 hours to go from New Britain, Connecticut to Mountlake Terrace, Washington.
The flight distance (direct flight from New Britain, CT to Mountlake Terrace, WA) is 2,425.30 mi.
2,940 mi = 4,731.15 kms