| Sussex to Norwich | 3,926.66 mi (6,319.35 km) |
| Sussex to Nottingham | 3,826.27 mi (6,157.78 km) |
| Sussex to Nuneaton | 3,828.31 mi (6,161.07 km) |
| Sussex to Oadby | 3,840.42 mi (6,180.56 km) |
| Sussex to Oakengates | 3,786.23 mi (6,093.34 km) |
| Sussex to Oakham | 3,850.79 mi (6,197.24 km) |
| Sussex to Oldbury | 3,808.47 mi (6,129.14 km) |
| Sussex to Oldham | 3,772.05 mi (6,070.52 km) |
| Sussex to Ollerton | 3,823.14 mi (6,152.75 km) |
| Sussex to Olton | 3,818.46 mi (6,145.22 km) |
| Sussex to Omagh | 3,551.38 mi (5,715.39 km) |
| Sussex to Ormesby | 3,774.77 mi (6,074.90 km) |
| Sussex to Ormskirk | 3,743.08 mi (6,023.90 km) |
| Sussex to Orpington | 3,924.85 mi (6,316.43 km) |
| Sussex to Ossett | 3,787.45 mi (6,095.32 km) |
