| Hornchurch to Seysses | 559.12 mi (899.82 km) |
| Hornchurch to Sin-le-Noble | 150.75 mi (242.61 km) |
| Hornchurch to Six-Fours-les-Plages | 640.06 mi (1,030.08 km) |
| Hornchurch to Soissons | 203.17 mi (326.98 km) |
| Hornchurch to Soisy-sous-Montmorency | 199.96 mi (321.81 km) |
| Hornchurch to Sollies-Pont | 638.67 mi (1,027.84 km) |
| Hornchurch to Somain | 157.10 mi (252.83 km) |
| Hornchurch to Sorgues | 564.33 mi (908.20 km) |
| Hornchurch to Sotteville-les-Rouen | 153.29 mi (246.70 km) |
| Hornchurch to Soyaux | 408.77 mi (657.85 km) |
| Hornchurch to Stains | 204.01 mi (328.32 km) |
| Hornchurch to Stiring-Wendel | 337.58 mi (543.29 km) |
| Hornchurch to Strasbourg | 391.89 mi (630.69 km) |
| Hornchurch to Sucy-en-Brie | 217.98 mi (350.81 km) |
| Hornchurch to Suresnes | 205.72 mi (331.08 km) |
