| Castel San Giorgio to Seysses | 710.17 mi (1,142.91 km) |
| Castel San Giorgio to Sin-le-Noble | 865.21 mi (1,392.43 km) |
| Castel San Giorgio to Six-Fours-les-Plages | 483.35 mi (777.88 km) |
| Castel San Giorgio to Soissons | 811.26 mi (1,305.60 km) |
| Castel San Giorgio to Soisy-sous-Montmorency | 828.63 mi (1,333.55 km) |
| Castel San Giorgio to Sollies-Pont | 474.49 mi (763.61 km) |
| Castel San Giorgio to Somain | 859.79 mi (1,383.70 km) |
| Castel San Giorgio to Sorgues | 548.27 mi (882.35 km) |
| Castel San Giorgio to Sotteville-les-Rouen | 889.65 mi (1,431.75 km) |
| Castel San Giorgio to Soyaux | 802.15 mi (1,290.93 km) |
| Castel San Giorgio to Stains | 824.04 mi (1,326.16 km) |
| Castel San Giorgio to Stiring-Wendel | 693.70 mi (1,116.40 km) |
| Castel San Giorgio to Strasbourg | 637.47 mi (1,025.92 km) |
| Castel San Giorgio to Sucy-en-Brie | 811.32 mi (1,305.70 km) |
| Castel San Giorgio to Suresnes | 826.44 mi (1,330.03 km) |
