Wilmington was North Carolina's only port.
12 miles down NC-87 SOUTH.
Wilmington
Wilmington NC
Wilmington NC
Wilmington NC
667 miles
15, Out of them one is not connected (NC)
303 miles
The large port near Tokyo is the city of Rome
521 miles
If you mean Mocksville, NC then it looks like either Wilmington, NC or Myrtle Beach, SC