There are
1,333 mi
from San Bernardino, CA to Seguin, TX
That's the driving distance. It would take 22 hours 37 mins to go from San Bernardino, California to Seguin, Texas.
The flight distance (direct flight from San Bernardino, CA to Seguin, TX) is 1,174.84 mi.
1,333 mi = 1.61 kms