There are
1,520 mi
from Conroe, TX to Barstow, CA
That's the driving distance. It would take 1 day 2 hours to go from Conroe, Texas to Barstow, California.
The flight distance (direct flight from Conroe, TX to Barstow, CA) is 1,291.48 mi.
1,520 mi = 2,446.70 kms