| Sassenage to Opwijk | 403.90 mi (650.02 km) |
| Sassenage to Ostend | 434.70 mi (699.57 km) |
| Sassenage to Oud-Heverlee | 391.59 mi (630.21 km) |
| Sassenage to Oud-Turnhout | 423.43 mi (681.45 km) |
| Sassenage to Oudenaarde | 401.49 mi (646.14 km) |
| Sassenage to Oudenburg | 430.84 mi (693.36 km) |
| Sassenage to Oupeye | 380.24 mi (611.94 km) |
| Sassenage to Overijse | 388.95 mi (625.95 km) |
| Sassenage to Overpelt | 415.52 mi (668.72 km) |
| Sassenage to Paal | 403.74 mi (649.76 km) |
| Sassenage to Peer | 409.69 mi (659.33 km) |
| Sassenage to Pepinster | 370.52 mi (596.30 km) |
| Sassenage to Peruwelz | 379.44 mi (610.64 km) |
| Sassenage to Perwez | 376.48 mi (605.89 km) |
| Sassenage to Philippeville | 348.98 mi (561.63 km) |
