There are
2,300 mi
from Pearland, TX to St Helens, OR
That's the driving distance. It would take 1 day 16 hours to go from Pearland, Texas to St Helens, Oregon.
The flight distance (direct flight from Pearland, TX to St Helens, OR) is 1,863.56 mi.
2,300 mi = 3.22 kms