There are
2,843 mi
from Union City, CA to Knightdale, NC
That's the driving distance. It would take 2 days 2 hours to go from Union City, California to Knightdale, North Carolina.
The flight distance (direct flight from Union City, CA to Knightdale, NC) is 2,395.21 mi.
2,843 mi = 3.22 kms