There are
1,313 mi
from Decatur, IL to Sunland Park, NM
That's the driving distance. It would take 1 day to go from Decatur, Illinois to Sunland Park, New Mexico.
The flight distance (direct flight from Decatur, IL to Sunland Park, NM) is 1,130.14 mi.
1,313 mi = 1.61 kms