Miles between Markham, IL and Conroe, TX

There are
1,039 mi
from Markham, IL to Conroe, TX

That's the driving distance. It would take 18 hours 45 mins to go from Markham, Illinois to Conroe, Texas.

The flight distance (direct flight from Markham, IL to Conroe, TX) is 891.28 mi.

1,039 mi = 1,672.15 kms