| Sesto San Giovanni to Opwijk | 441.25 mi (710.13 km) |
| Sesto San Giovanni to Ostend | 488.13 mi (785.57 km) |
| Sesto San Giovanni to Oud-Heverlee | 422.13 mi (679.35 km) |
| Sesto San Giovanni to Oud-Turnhout | 444.39 mi (715.18 km) |
| Sesto San Giovanni to Oudenaarde | 449.46 mi (723.33 km) |
| Sesto San Giovanni to Oudenburg | 483.66 mi (778.37 km) |
| Sesto San Giovanni to Oupeye | 393.92 mi (633.96 km) |
| Sesto San Giovanni to Overijse | 422.30 mi (679.62 km) |
| Sesto San Giovanni to Overpelt | 429.83 mi (691.75 km) |
| Sesto San Giovanni to Paal | 423.60 mi (681.71 km) |
| Sesto San Giovanni to Peer | 423.91 mi (682.22 km) |
| Sesto San Giovanni to Pepinster | 381.80 mi (614.44 km) |
| Sesto San Giovanni to Peruwelz | 431.84 mi (694.99 km) |
| Sesto San Giovanni to Perwez | 406.42 mi (654.07 km) |
| Sesto San Giovanni to Philippeville | 388.53 mi (625.27 km) |
