Miles between Thornton, CO and Port Neches, TX

There are
1,074 mi
from Thornton, CO to Port Neches, TX

That's the driving distance. It would take 20 hours 11 mins to go from Thornton, Colorado to Port Neches, Texas.

The flight distance (direct flight from Thornton, CO to Port Neches, TX) is 923.11 mi.

1,074 mi = 1.61 kms