There are
1,541 mi
from Mission Viejo, CA to Galena Park, TX
That's the driving distance. It would take 1 day 2 hours to go from Mission Viejo, California to Galena Park, Texas.
The flight distance (direct flight from Mission Viejo, CA to Galena Park, TX) is 1,343.66 mi.
1,541 mi = 1.61 kms