There are
1,919 mi
from Pasco, WA to San Antonio, TX
That's the driving distance. It would take 1 day 11 hours to go from Pasco, Washington to San Antonio, Texas.
The flight distance (direct flight from Pasco, WA to San Antonio, TX) is 1,607.39 mi.
1,919 mi = 3,088.94 kms