There are
994 mi
from Nashua, NH to Midlothian, IL
That's the driving distance. It would take 18 hours 56 mins to go from Nashua, New Hampshire to Midlothian, Illinois.
The flight distance (direct flight from Nashua, NH to Midlothian, IL) is 834.23 mi.
994 mi = 1,599.73 kms