| Omerli to Orbetello | 1,605.31 mi (2,583.49 km) |
| Omerli to Oria | 1,267.49 mi (2,039.83 km) |
| Omerli to Oristano | 1,745.25 mi (2,808.72 km) |
| Omerli to Orta Nova | 1,370.39 mi (2,205.43 km) |
| Omerli to Orte | 1,545.63 mi (2,487.45 km) |
| Omerli to Ortona | 1,442.60 mi (2,321.65 km) |
| Omerli to Orvieto | 1,560.76 mi (2,511.81 km) |
| Omerli to Orzinuovi | 1,687.73 mi (2,716.14 km) |
| Omerli to Osimo | 1,496.74 mi (2,408.76 km) |
| Omerli to Ospitaletto | 1,682.57 mi (2,707.84 km) |
| Omerli to Ostuni | 1,270.81 mi (2,045.17 km) |
| Omerli to Ottaviano | 1,433.44 mi (2,306.90 km) |
| Omerli to Ovada | 1,744.02 mi (2,806.73 km) |
| Omerli to Ozieri | 1,720.37 mi (2,768.67 km) |
| Omerli to Paceco | 1,547.53 mi (2,490.51 km) |
