Miles between Longmont, CO and Hays, KS

There are
366 mi
from Longmont, CO to Hays, KS

That's the driving distance. It would take 6 hours 14 mins to go from Longmont, Colorado to Hays, Kansas.

The flight distance (direct flight from Longmont, CO to Hays, KS) is 320.33 mi.

366 mi = 589.24 kms