Miles between Longmont, CO and Hermiston, OR

There are
1,039 mi
from Longmont, CO to Hermiston, OR

That's the driving distance. It would take 17 hours 36 mins to go from Longmont, Colorado to Hermiston, Oregon.

The flight distance (direct flight from Longmont, CO to Hermiston, OR) is 815.34 mi.

1,039 mi = 1.61 kms