There are
2,906 mi
from Waterbury, CT to Renton, WA
That's the driving distance. It would take 2 days 3 hours to go from Waterbury, Connecticut to Renton, Washington.
The flight distance (direct flight from Waterbury, CT to Renton, WA) is 2,415 mi.
2,906 mi = 4,676.16 kms