| Lombard to Orbetello | 4,750.72 mi (7,645.54 km) |
| Lombard to Oria | 5,091.74 mi (8,194.36 km) |
| Lombard to Oristano | 4,749.93 mi (7,644.27 km) |
| Lombard to Orta Nova | 4,978.38 mi (8,011.93 km) |
| Lombard to Orte | 4,796.82 mi (7,719.73 km) |
| Lombard to Ortona | 4,881.40 mi (7,855.86 km) |
| Lombard to Orvieto | 4,774.75 mi (7,684.21 km) |
| Lombard to Orzinuovi | 4,576.46 mi (7,365.10 km) |
| Lombard to Osimo | 4,795.97 mi (7,718.38 km) |
| Lombard to Ospitaletto | 4,575.57 mi (7,363.67 km) |
| Lombard to Ostuni | 5,079.07 mi (8,173.97 km) |
| Lombard to Ottaviano | 4,950.82 mi (7,967.57 km) |
| Lombard to Ovada | 4,556.67 mi (7,333.25 km) |
| Lombard to Ozieri | 4,738.62 mi (7,626.08 km) |
| Lombard to Paceco | 4,998.98 mi (8,045.08 km) |
