| Siena to Saarijarvi | 1,451.94 mi (2,336.66 km) |
| Siena to Salo | 1,277.66 mi (2,056.20 km) |
| Siena to Sastamala | 1,333.13 mi (2,145.47 km) |
| Siena to Savonlinna | 1,467.53 mi (2,361.77 km) |
| Siena to Seinajoki | 1,422.80 mi (2,289.77 km) |
| Siena to Siilinjarvi | 1,513.02 mi (2,434.97 km) |
| Siena to Sipoo | 1,314.03 mi (2,114.73 km) |
| Siena to Sippola | 1,367.64 mi (2,201.00 km) |
| Siena to Sodankyla | 1,758.02 mi (2,829.26 km) |
| Siena to Somero | 1,299.01 mi (2,090.56 km) |
| Siena to Sotkamo | 1,586.37 mi (2,553.01 km) |
| Siena to Tampere | 1,355.54 mi (2,181.54 km) |
| Siena to Tornio | 1,631.72 mi (2,626.01 km) |
| Siena to Turku | 1,268.32 mi (2,041.16 km) |
| Siena to Tuusula | 1,313.31 mi (2,113.57 km) |
