There are
964 mi
from St Joseph, MO to Sunland Park, NM
That's the driving distance. It would take 18 hours 59 mins to go from St Joseph, Missouri to Sunland Park, New Mexico.
The flight distance (direct flight from St Joseph, MO to Sunland Park, NM) is 856.52 mi.
964 mi = 1,551.16 kms