There are
2,994 mi
from Waterbury, CT to St Helens, OR
That's the driving distance. It would take 2 days 5 hours to go from Waterbury, Connecticut to St Helens, Oregon.
The flight distance (direct flight from Waterbury, CT to St Helens, OR) is 2,462.69 mi.
2,994 mi = 3.22 kms