Miles between Longmont, CO and Port Arthur, TX

There are
1,108 mi
from Longmont, CO to Port Arthur, TX

That's the driving distance. It would take 20 hours 39 mins to go from Longmont, Colorado to Port Arthur, Texas.

The flight distance (direct flight from Longmont, CO to Port Arthur, TX) is 948.95 mi.

1,108 mi = 1.61 kms