There are
1,716 mi
from Manhattan, KS to Gresham, OR
That's the driving distance. It would take 1 day 5 hours to go from Manhattan, Kansas to Gresham, Oregon.
The flight distance (direct flight from Manhattan, KS to Gresham, OR) is 1,383.72 mi.
1,716 mi = 2,760.92 kms