Miles between Boulder, CO and Hayden, ID

There are
1,057 mi
from Boulder, CO to Hayden, ID

That's the driving distance. It would take 17 hours 43 mins to go from Boulder, Colorado to Hayden, Idaho.

The flight distance (direct flight from Boulder, CO to Hayden, ID) is 783.06 mi.

1,057 mi = 1.61 kms