Miles between Longmont, CO and Roy, UT

There are
488 mi
from Longmont, CO to Roy, UT

That's the driving distance. It would take 8 hours 21 mins to go from Longmont, Colorado to Roy, Utah.

The flight distance (direct flight from Longmont, CO to Roy, UT) is 369.23 mi.

488 mi = 784.79 kms