There are
1,552 mi
from Conroe, TX to Placentia, CA
That's the driving distance. It would take 1 day 2 hours to go from Conroe, Texas to Placentia, California.
The flight distance (direct flight from Conroe, TX to Placentia, CA) is 1,332.07 mi.
1,552 mi = 2,497.81 kms