There are
1,903 mi
from Union, NJ to Roswell, NM
That's the driving distance. It would take 1 day 11 hours to go from Union, New Jersey to Roswell, New Mexico.
The flight distance (direct flight from Union, NJ to Roswell, NM) is 1,733.56 mi.
1,903 mi = 3,061.99 kms