There are
1,561 mi
from Las Vegas, NV to Wentzville, MO
That's the driving distance. It would take 1 day 2 hours to go from Las Vegas, Nevada to Wentzville, Missouri.
The flight distance (direct flight from Las Vegas, NV to Wentzville, MO) is 1,343.65 mi.
1,561 mi = 1.61 kms