There are
1,952 mi
from Pasco, WA to Seguin, TX
That's the driving distance. It would take 1 day 11 hours to go from Pasco, Washington to Seguin, Texas.
The flight distance (direct flight from Pasco, WA to Seguin, TX) is 1,619.33 mi.
1,952 mi = 3,141.91 kms