| Gourock to Seysses | 902.23 mi (1,452.01 km) |
| Gourock to Sin-le-Noble | 506.46 mi (815.07 km) |
| Gourock to Six-Fours-les-Plages | 1,005.45 mi (1,618.12 km) |
| Gourock to Soissons | 567.13 mi (912.72 km) |
| Gourock to Soisy-sous-Montmorency | 566.25 mi (911.29 km) |
| Gourock to Sollies-Pont | 1,004.49 mi (1,616.57 km) |
| Gourock to Somain | 511.25 mi (822.78 km) |
| Gourock to Sorgues | 928.85 mi (1,494.84 km) |
| Gourock to Sotteville-les-Rouen | 515.03 mi (828.86 km) |
| Gourock to Soyaux | 745.00 mi (1,198.96 km) |
| Gourock to Stains | 570.38 mi (917.93 km) |
| Gourock to Stiring-Wendel | 677.31 mi (1,090.02 km) |
| Gourock to Strasbourg | 733.80 mi (1,180.94 km) |
| Gourock to Sucy-en-Brie | 584.35 mi (940.41 km) |
| Gourock to Suresnes | 571.64 mi (919.96 km) |
