| Siran to Nyon | 1,695.47 mi (2,728.60 km) |
| Siran to Oberriet | 1,544.40 mi (2,485.47 km) |
| Siran to Obersiggenthal | 1,605.00 mi (2,583.01 km) |
| Siran to Oberwil | 1,639.41 mi (2,638.38 km) |
| Siran to Oberwingert | 1,583.18 mi (2,547.88 km) |
| Siran to Oftringen | 1,621.11 mi (2,608.92 km) |
| Siran to Olten | 1,622.13 mi (2,610.57 km) |
| Siran to Onex | 1,701.26 mi (2,737.91 km) |
| Siran to Opfikon | 1,591.82 mi (2,561.79 km) |
| Siran to Ostermundigen | 1,638.67 mi (2,637.19 km) |
| Siran to Payerne | 1,664.09 mi (2,678.09 km) |
| Siran to Pfaffikon | 1,581.20 mi (2,544.70 km) |
| Siran to Plan-les-Ouates | 1,700.42 mi (2,736.56 km) |
| Siran to Pratteln | 1,632.69 mi (2,627.57 km) |
| Siran to Prilly | 1,678.58 mi (2,701.41 km) |
