There are
975 mi
from Iowa City, IA to Haddonfield, NJ
That's the driving distance. It would take 18 hours 5 mins to go from Iowa City, Iowa to Haddonfield, New Jersey.
The flight distance (direct flight from Iowa City, IA to Haddonfield, NJ) is 870.17 mi.
975 mi = 1,568.75 kms