There are
1,998 mi
from Lewisville, TX to Gladstone, OR
That's the driving distance. It would take 1 day 11 hours to go from Lewisville, Texas to Gladstone, Oregon.
The flight distance (direct flight from Lewisville, TX to Gladstone, OR) is 1,603.16 mi.
1,998 mi = 1.61 kms