| Recklinghausen to Opwijk | 135.63 mi (218.28 km) |
| Recklinghausen to Ostend | 184.50 mi (296.93 km) |
| Recklinghausen to Oud-Heverlee | 119.84 mi (192.86 km) |
| Recklinghausen to Oud-Turnhout | 95.62 mi (153.88 km) |
| Recklinghausen to Oudenaarde | 162.28 mi (261.17 km) |
| Recklinghausen to Oudenburg | 181.57 mi (292.21 km) |
| Recklinghausen to Oupeye | 89.46 mi (143.97 km) |
| Recklinghausen to Overijse | 126.59 mi (203.73 km) |
| Recklinghausen to Overpelt | 79.41 mi (127.80 km) |
| Recklinghausen to Paal | 93.82 mi (150.98 km) |
| Recklinghausen to Peer | 80.05 mi (128.83 km) |
| Recklinghausen to Pepinster | 91.43 mi (147.14 km) |
| Recklinghausen to Peruwelz | 172.04 mi (276.88 km) |
| Recklinghausen to Perwez | 121.54 mi (195.60 km) |
| Recklinghausen to Philippeville | 148.70 mi (239.30 km) |
