Miles between Boulder, CO and St Helens, OR

There are
1,262 mi
from Boulder, CO to St Helens, OR

That's the driving distance. It would take 22 hours 3 mins to go from Boulder, Colorado to St Helens, Oregon.

The flight distance (direct flight from Boulder, CO to St Helens, OR) is 972.34 mi.

1,262 mi = 1.61 kms