| Siena to Sanary-sur-Mer | 278.69 mi (448.51 km) |
| Siena to Sannois | 583.45 mi (938.97 km) |
| Siena to Saran | 557.00 mi (896.40 km) |
| Siena to Sarcelles | 580.12 mi (933.62 km) |
| Siena to Sarlat-la-Caneda | 513.08 mi (825.72 km) |
| Siena to Sarrebourg | 426.64 mi (686.61 km) |
| Siena to Sarreguemines | 448.87 mi (722.38 km) |
| Siena to Sartrouville | 585.27 mi (941.90 km) |
| Siena to Sarzeau | 741.71 mi (1,193.66 km) |
| Siena to Sassenage | 309.11 mi (497.47 km) |
| Siena to Saumur | 617.00 mi (992.97 km) |
| Siena to Savenay | 701.38 mi (1,128.76 km) |
| Siena to Saverne | 420.16 mi (676.19 km) |
| Siena to Savigny-le-Temple | 555.23 mi (893.56 km) |
| Siena to Savigny-sur-Orge | 567.86 mi (913.88 km) |
