Miles between Hillsboro, OR and Longmont, CO

There are
1,238 mi
from Hillsboro, OR to Longmont, CO

That's the driving distance. It would take 21 hours 25 mins to go from Hillsboro, Oregon to Longmont, Colorado.

The flight distance (direct flight from Hillsboro, OR to Longmont, CO) is 976.15 mi.

1,238 mi = 1.61 kms