There are
2,945 mi
from New Haven, CT to Lacey, WA
That's the driving distance. It would take 2 days 4 hours to go from New Haven, Connecticut to Lacey, Washington.
The flight distance (direct flight from New Haven, CT to Lacey, WA) is 2,461.44 mi.
2,945 mi = 4,739.43 kms