Miles between Decatur, IL and St Peter, MN

There are
521 mi
from Decatur, IL to St Peter, MN

That's the driving distance. It would take 9 hours 59 mins to go from Decatur, Illinois to St Peter, Minnesota.

The flight distance (direct flight from Decatur, IL to St Peter, MN) is 402.84 mi.

521 mi = 837.69 kms