| Northport to Norwich | 4,389.84 mi (7,064.76 km) |
| Northport to Nottingham | 4,286.27 mi (6,898.08 km) |
| Northport to Nuneaton | 4,283.43 mi (6,893.51 km) |
| Northport to Oadby | 4,297.24 mi (6,915.74 km) |
| Northport to Oakengates | 4,240.55 mi (6,824.51 km) |
| Northport to Oakham | 4,309.15 mi (6,934.91 km) |
| Northport to Oldbury | 4,262.04 mi (6,859.08 km) |
| Northport to Oldham | 4,235.35 mi (6,816.14 km) |
| Northport to Ollerton | 4,285.79 mi (6,897.32 km) |
| Northport to Olton | 4,271.91 mi (6,874.97 km) |
| Northport to Omagh | 4,013.87 mi (6,459.71 km) |
| Northport to Ormesby | 4,249.71 mi (6,839.25 km) |
| Northport to Ormskirk | 4,204.80 mi (6,766.97 km) |
| Northport to Orpington | 4,373.19 mi (7,037.97 km) |
| Northport to Ossett | 4,253.31 mi (6,845.04 km) |
