There are
1,676 mi
from Piedmont, CA to Uvalde, TX
That's the driving distance. It would take 1 day 5 hours to go from Piedmont, California to Uvalde, Texas.
The flight distance (direct flight from Piedmont, CA to Uvalde, TX) is 1,418.52 mi.
1,676 mi = 2,696.61 kms