Miles between St Louis, MO and Green River, WY

There are
1,156 mi
from St Louis, MO to Green River, WY

That's the driving distance. It would take 20 hours 19 mins to go from St Louis, Missouri to Green River, Wyoming.

The flight distance (direct flight from St Louis, MO to Green River, WY) is 1,035.83 mi.

1,156 mi = 1.61 kms