There are
1,830 mi
from Eugene, OR to Leavenworth, KS
That's the driving distance. It would take 1 day 8 hours to go from Eugene, Oregon to Leavenworth, Kansas.
The flight distance (direct flight from Eugene, OR to Leavenworth, KS) is 1,482.05 mi.
1,830 mi = 1.61 kms