There are
508 mi
from Ridgewood, NJ to Knightdale, NC
That's the driving distance. It would take 10 hours 4 mins to go from Ridgewood, New Jersey to Knightdale, North Carolina.
The flight distance (direct flight from Ridgewood, NJ to Knightdale, NC) is 429.44 mi.
508 mi = 818.04 kms