There are
1,380 mi
from Fontana, CA to Southlake, TX
That's the driving distance. It would take 23 hours 42 mins to go from Fontana, California to Southlake, Texas.
The flight distance (direct flight from Fontana, CA to Southlake, TX) is 1,170.20 mi.
1,380 mi = 1.61 kms