| Gummersbach to Opwijk | 147.18 mi (236.86 km) |
| Gummersbach to Ostend | 201.91 mi (324.95 km) |
| Gummersbach to Oud-Heverlee | 127.02 mi (204.43 km) |
| Gummersbach to Oud-Turnhout | 113.60 mi (182.82 km) |
| Gummersbach to Oudenaarde | 173.14 mi (278.64 km) |
| Gummersbach to Oudenburg | 198.34 mi (319.20 km) |
| Gummersbach to Oupeye | 86.83 mi (139.73 km) |
| Gummersbach to Overijse | 133.27 mi (214.48 km) |
| Gummersbach to Overpelt | 94.09 mi (151.42 km) |
| Gummersbach to Paal | 104.01 mi (167.38 km) |
| Gummersbach to Peer | 91.97 mi (148.01 km) |
| Gummersbach to Pepinster | 82.94 mi (133.48 km) |
| Gummersbach to Peruwelz | 177.64 mi (285.89 km) |
| Gummersbach to Perwez | 123.37 mi (198.54 km) |
| Gummersbach to Philippeville | 144.23 mi (232.11 km) |
