There are
2,048 mi
from Garland, TX to St Helens, OR
That's the driving distance. It would take 1 day 12 hours to go from Garland, Texas to St Helens, Oregon.
The flight distance (direct flight from Garland, TX to St Helens, OR) is 1,647.85 mi.
2,048 mi = 3.22 kms