There are
2,048 mi
from The Dalles, OR to Deerfield, IL
That's the driving distance. It would take 1 day 11 hours to go from The Dalles, Oregon to Deerfield, Illinois.
The flight distance (direct flight from The Dalles, OR to Deerfield, IL) is 1,664.57 mi.
2,048 mi = 3,296.02 kms