There are
1,955 mi
from Conroe, TX to Vallejo, CA
That's the driving distance. It would take 1 day 9 hours to go from Conroe, Texas to Vallejo, California.
The flight distance (direct flight from Conroe, TX to Vallejo, CA) is 1,616.40 mi.
1,955 mi = 3,146.76 kms