Miles between St Louis, MO and Newton, IA

There are
338 mi
from St Louis, MO to Newton, IA

That's the driving distance. It would take 6 hours 40 mins to go from St Louis, Missouri to Newton, Iowa.

The flight distance (direct flight from St Louis, MO to Newton, IA) is 260.64 mi.

338 mi = 544.13 kms