Miles between St Louis, MO and Casper, WY

There are
1,064 mi
from St Louis, MO to Casper, WY

That's the driving distance. It would take 18 hours 52 mins to go from St Louis, Missouri to Casper, Wyoming.

The flight distance (direct flight from St Louis, MO to Casper, WY) is 891.18 mi.

1,064 mi = 1.61 kms