Miles between St Louis, MO and Arkadelphia, AR

There are
412 mi
from St Louis, MO to Arkadelphia, AR

That's the driving distance. It would take 7 hours 40 mins to go from St Louis, Missouri to Arkadelphia, Arkansas.

The flight distance (direct flight from St Louis, MO to Arkadelphia, AR) is 349.45 mi.

412 mi = 662.90 kms