| Cities | Distance |
|---|---|
| Siano to Orbetello | 212.42 mi (341.86 km) |
| Siano to Oria | 155.46 mi (250.19 km) |
| Siano to Oristano | 327.18 mi (526.54 km) |
| Siano to Orta Nova | 64.33 mi (103.54 km) |
| Siano to Orte | 165.31 mi (266.03 km) |
| Siano to Ortona | 108.00 mi (173.81 km) |
| Siano to Orvieto | 187.76 mi (302.16 km) |
| Siano to Orzinuovi | 398.08 mi (640.65 km) |
| Siano to Osimo | 195.33 mi (314.36 km) |
| Siano to Ospitaletto | 402.39 mi (647.59 km) |
| Siano to Ostuni | 151.24 mi (243.40 km) |
| Siano to Ottaviano | 11.81 mi (19.00 km) |
| Siano to Ovada | 405.41 mi (652.44 km) |
| Siano to Ozieri | 298.47 mi (480.33 km) |
| Siano to Paceco | 225.93 mi (363.60 km) |