Miles between Conroe, TX and Effingham, IL

There are
851 mi
from Conroe, TX to Effingham, IL

That's the driving distance. It would take 15 hours 23 mins to go from Conroe, Texas to Effingham, Illinois.

The flight distance (direct flight from Conroe, TX to Effingham, IL) is 723.67 mi.

851 mi = 1,369.36 kms