Miles between St Louis, MO and Romulus, MI

There are
508 mi
from St Louis, MO to Romulus, MI

That's the driving distance. It would take 9 hours 46 mins to go from St Louis, Missouri to Romulus, Michigan.

The flight distance (direct flight from St Louis, MO to Romulus, MI) is 435.36 mi.

508 mi = 817.93 kms