| Guichen to Sin-le-Noble | 276.61 mi (445.16 km) |
| Guichen to Six-Fours-les-Plages | 498.46 mi (802.19 km) |
| Guichen to Soissons | 253.09 mi (407.30 km) |
| Guichen to Soisy-sous-Montmorency | 200.33 mi (322.40 km) |
| Guichen to Sollies-Pont | 502.11 mi (808.06 km) |
| Guichen to Somain | 282.48 mi (454.60 km) |
| Guichen to Sorgues | 420.78 mi (677.18 km) |
| Guichen to Sotteville-les-Rouen | 165.02 mi (265.58 km) |
| Guichen to Soyaux | 186.36 mi (299.92 km) |
| Guichen to Stains | 203.10 mi (326.85 km) |
| Guichen to Stiring-Wendel | 407.50 mi (655.81 km) |
| Guichen to Strasbourg | 440.50 mi (708.92 km) |
| Guichen to Sucy-en-Brie | 205.76 mi (331.14 km) |
| Guichen to Suresnes | 194.36 mi (312.79 km) |
| Guichen to Talant | 319.41 mi (514.03 km) |
