| Laveno-Mombello to Oria | 587.32 mi (945.21 km) |
| Laveno-Mombello to Oristano | 414.78 mi (667.52 km) |
| Laveno-Mombello to Orta Nova | 474.90 mi (764.28 km) |
| Laveno-Mombello to Orte | 302.56 mi (486.92 km) |
| Laveno-Mombello to Ortona | 377.47 mi (607.48 km) |
| Laveno-Mombello to Orvieto | 279.88 mi (450.42 km) |
| Laveno-Mombello to Orzinuovi | 72.50 mi (116.68 km) |
| Laveno-Mombello to Osimo | 291.69 mi (469.43 km) |
| Laveno-Mombello to Ospitaletto | 74.21 mi (119.42 km) |
| Laveno-Mombello to Ostuni | 574.59 mi (924.72 km) |
| Laveno-Mombello to Ottaviano | 456.56 mi (734.76 km) |
| Laveno-Mombello to Ovada | 87.74 mi (141.20 km) |
| Laveno-Mombello to Ozieri | 368.36 mi (592.81 km) |
| Laveno-Mombello to Paceco | 583.46 mi (938.98 km) |
| Laveno-Mombello to Pachino | 718.05 mi (1,155.59 km) |
