Miles between Thornton, CO and Conroe, TX

There are
988 mi
from Thornton, CO to Conroe, TX

That's the driving distance. It would take 18 hours 1 min to go from Thornton, Colorado to Conroe, Texas.

The flight distance (direct flight from Thornton, CO to Conroe, TX) is 850.58 mi.

988 mi = 1,589.38 kms