Miles between Longmont, CO and Atchison, KS

There are
618 mi
from Longmont, CO to Atchison, KS

That's the driving distance. It would take 10 hours 36 mins to go from Longmont, Colorado to Atchison, Kansas.

The flight distance (direct flight from Longmont, CO to Atchison, KS) is 530.65 mi.

618 mi = 993.90 kms