| Somero to Oria | 1,413.49 mi (2,274.80 km) |
| Somero to Oristano | 1,567.96 mi (2,523.38 km) |
| Somero to Orta Nova | 1,373.95 mi (2,211.16 km) |
| Somero to Orte | 1,339.32 mi (2,155.43 km) |
| Somero to Ortona | 1,319.81 mi (2,124.02 km) |
| Somero to Orvieto | 1,326.33 mi (2,134.53 km) |
| Somero to Orzinuovi | 1,189.02 mi (1,913.54 km) |
| Somero to Osimo | 1,255.95 mi (2,021.25 km) |
| Somero to Ospitaletto | 1,176.49 mi (1,893.38 km) |
| Somero to Ostuni | 1,397.93 mi (2,249.74 km) |
| Somero to Ottaviano | 1,419.79 mi (2,284.94 km) |
| Somero to Ovada | 1,262.16 mi (2,031.25 km) |
| Somero to Ozieri | 1,516.51 mi (2,440.59 km) |
| Somero to Paceco | 1,636.00 mi (2,632.89 km) |
| Somero to Pachino | 1,693.34 mi (2,725.18 km) |
