There are
1,687 mi
from Gresham, OR to Mankato, MN
That's the driving distance. It would take 1 day 5 hours to go from Gresham, Oregon to Mankato, Minnesota.
The flight distance (direct flight from Gresham, OR to Mankato, MN) is 1,388.85 mi.
1,687 mi = 1.61 kms