Miles between Casper, WY and St Peters, MO

There are
1,043 mi
from Casper, WY to St Peters, MO

That's the driving distance. It would take 18 hours 18 mins to go from Casper, Wyoming to St Peters, Missouri.

The flight distance (direct flight from Casper, WY to St Peters, MO) is 866.92 mi.

1,043 mi = 1,677.88 kms