There are
1,550 mi
from Conroe, TX to Walnut, CA
That's the driving distance. It would take 1 day 2 hours to go from Conroe, Texas to Walnut, California.
The flight distance (direct flight from Conroe, TX to Walnut, CA) is 1,332.62 mi.
1,550 mi = 2,494.62 kms