There are
1,423 mi
from Lancaster, PA to Seagoville, TX
That's the driving distance. It would take 1 day 1 hour to go from Lancaster, Pennsylvania to Seagoville, Texas.
The flight distance (direct flight from Lancaster, PA to Seagoville, TX) is 1,232.92 mi.
1,423 mi = 2,289.32 kms