There are
1,527 mi
from Tomball, TX to Lansdowne, PA
That's the driving distance. It would take 1 day 4 hours to go from Tomball, Texas to Lansdowne, Pennsylvania.
The flight distance (direct flight from Tomball, TX to Lansdowne, PA) is 1,332.24 mi.
1,527 mi = 2,457.00 kms