| Seraing to Novi di Modena | 466.12 mi (750.16 km) |
| Seraing to Novi Ligure | 430.35 mi (692.58 km) |
| Seraing to Nuoro | 733.02 mi (1,179.68 km) |
| Seraing to Occhiobello | 482.17 mi (775.98 km) |
| Seraing to Oderzo | 462.09 mi (743.66 km) |
| Seraing to Oggiono | 375.97 mi (605.07 km) |
| Seraing to Olbia | 694.91 mi (1,118.35 km) |
| Seraing to Oleggio | 373.36 mi (600.86 km) |
| Seraing to Olgiate Comasco | 368.00 mi (592.23 km) |
| Seraing to Olgiate Olona | 375.85 mi (604.87 km) |
| Seraing to Omegna | 351.48 mi (565.65 km) |
| Seraing to Opera | 398.16 mi (640.77 km) |
| Seraing to Oppeano | 449.65 mi (723.65 km) |
| Seraing to Orbassano | 396.65 mi (638.35 km) |
| Seraing to Orbetello | 624.37 mi (1,004.82 km) |
