| Mexborough to Octeville | 268.00 mi (431.30 km) |
| Mexborough to Oignies | 277.29 mi (446.26 km) |
| Mexborough to Oissel | 304.87 mi (490.64 km) |
| Mexborough to Olivet | 413.45 mi (665.38 km) |
| Mexborough to Ollioules | 786.25 mi (1,265.35 km) |
| Mexborough to Olonne-sur-Mer | 481.59 mi (775.05 km) |
| Mexborough to Oloron-Sainte-Marie | 712.67 mi (1,146.94 km) |
| Mexborough to Onet Village | 654.89 mi (1,053.94 km) |
| Mexborough to Onnaing | 298.93 mi (481.07 km) |
| Mexborough to Orange | 703.04 mi (1,131.43 km) |
| Mexborough to Orchies | 284.10 mi (457.22 km) |
| Mexborough to Orleans | 411.04 mi (661.51 km) |
| Mexborough to Orly | 365.07 mi (587.52 km) |
| Mexborough to Ormesson-sur-Marne | 365.24 mi (587.80 km) |
| Mexborough to Orsay | 364.19 mi (586.11 km) |
