| Castelsarrasin to Sin-le-Noble | 446.87 mi (719.17 km) |
| Castelsarrasin to Six-Fours-les-Plages | 244.66 mi (393.74 km) |
| Castelsarrasin to Soissons | 383.68 mi (617.47 km) |
| Castelsarrasin to Soisy-sous-Montmorency | 346.52 mi (557.67 km) |
| Castelsarrasin to Sollies-Pont | 253.67 mi (408.24 km) |
| Castelsarrasin to Somain | 448.21 mi (721.32 km) |
| Castelsarrasin to Sorgues | 187.08 mi (301.07 km) |
| Castelsarrasin to Sotteville-les-Rouen | 370.98 mi (597.03 km) |
| Castelsarrasin to Soyaux | 119.20 mi (191.84 km) |
| Castelsarrasin to Stains | 344.62 mi (554.62 km) |
| Castelsarrasin to Stiring-Wendel | 450.77 mi (725.44 km) |
| Castelsarrasin to Strasbourg | 445.70 mi (717.28 km) |
| Castelsarrasin to Sucy-en-Brie | 333.66 mi (536.98 km) |
| Castelsarrasin to Suresnes | 337.89 mi (543.78 km) |
| Castelsarrasin to Talant | 295.36 mi (475.33 km) |
