There are
754 mi
from Greensboro, NC to Lake St Louis, MO
That's the driving distance. It would take 14 hours 34 mins to go from Greensboro, North Carolina to Lake St Louis, Missouri.
The flight distance (direct flight from Greensboro, NC to Lake St Louis, MO) is 631.24 mi.
754 mi = 1,214.09 kms