| East Retford to Opwijk | 271.45 mi (436.86 km) |
| East Retford to Ostend | 218.25 mi (351.24 km) |
| East Retford to Oud-Heverlee | 293.69 mi (472.64 km) |
| East Retford to Oud-Turnhout | 285.98 mi (460.24 km) |
| East Retford to Oudenaarde | 257.58 mi (414.54 km) |
| East Retford to Oudenburg | 222.81 mi (358.57 km) |
| East Retford to Oupeye | 333.07 mi (536.02 km) |
| East Retford to Overijse | 291.29 mi (468.78 km) |
| East Retford to Overpelt | 305.59 mi (491.81 km) |
| East Retford to Paal | 303.21 mi (487.97 km) |
| East Retford to Peer | 309.97 mi (498.85 km) |
| East Retford to Pepinster | 344.96 mi (555.16 km) |
| East Retford to Peruwelz | 273.39 mi (439.98 km) |
| East Retford to Perwez | 307.79 mi (495.35 km) |
| East Retford to Philippeville | 318.80 mi (513.05 km) |
