| Gex to Sin-le-Noble | 309.47 mi (498.04 km) |
| Gex to Six-Fours-les-Plages | 223.64 mi (359.92 km) |
| Gex to Soissons | 245.79 mi (395.55 km) |
| Gex to Soisy-sous-Montmorency | 253.36 mi (407.75 km) |
| Gex to Sollies-Pont | 217.18 mi (349.52 km) |
| Gex to Somain | 305.85 mi (492.22 km) |
| Gex to Sorgues | 170.70 mi (274.71 km) |
| Gex to Sotteville-les-Rouen | 313.21 mi (504.07 km) |
| Gex to Soyaux | 285.30 mi (459.15 km) |
| Gex to Stains | 248.84 mi (400.46 km) |
| Gex to Stiring-Wendel | 202.16 mi (325.34 km) |
| Gex to Strasbourg | 174.30 mi (280.52 km) |
| Gex to Sucy-en-Brie | 235.56 mi (379.10 km) |
| Gex to Suresnes | 250.31 mi (402.84 km) |
| Gex to Talant | 85.30 mi (137.28 km) |
