Miles between Longmont, CO and Merriam, KS

There are
629 mi
from Longmont, CO to Merriam, KS

That's the driving distance. It would take 10 hours 41 mins to go from Longmont, Colorado to Merriam, Kansas.

The flight distance (direct flight from Longmont, CO to Merriam, KS) is 559.42 mi.

629 mi = 1,012.79 kms