There are
684 mi
from Conroe, TX to Lenexa, KS
That's the driving distance. It would take 12 hours 35 mins to go from Conroe, Texas to Lenexa, Kansas.
The flight distance (direct flight from Conroe, TX to Lenexa, KS) is 598.49 mi.
684 mi = 1,100.24 kms