Miles between St Louis, MO and Dubuque, IA

There are
337 mi
from St Louis, MO to Dubuque, IA

That's the driving distance. It would take 6 hours 17 mins to go from St Louis, Missouri to Dubuque, Iowa.

The flight distance (direct flight from St Louis, MO to Dubuque, IA) is 268.75 mi.

337 mi = 542.56 kms