Miles between Ontario, OR and Sioux Falls, SD

There are
1,355 mi
from Ontario, OR to Sioux Falls, SD

That's the driving distance. It would take 22 hours 50 mins to go from Ontario, Oregon to Sioux Falls, South Dakota.

The flight distance (direct flight from Ontario, OR to Sioux Falls, SD) is 1,008.66 mi.

1,355 mi = 2,181.24 kms