| Alenquer to Seysses | 617.52 mi (993.81 km) |
| Alenquer to Sin-le-Noble | 980.09 mi (1,577.30 km) |
| Alenquer to Six-Fours-les-Plages | 820.53 mi (1,320.51 km) |
| Alenquer to Soissons | 937.24 mi (1,508.35 km) |
| Alenquer to Soisy-sous-Montmorency | 885.49 mi (1,425.06 km) |
| Alenquer to Sollies-Pont | 832.88 mi (1,340.40 km) |
| Alenquer to Somain | 984.73 mi (1,584.77 km) |
| Alenquer to Sorgues | 794.54 mi (1,278.68 km) |
| Alenquer to Sotteville-les-Rouen | 871.62 mi (1,402.74 km) |
| Alenquer to Soyaux | 653.98 mi (1,052.48 km) |
| Alenquer to Stains | 886.21 mi (1,426.22 km) |
| Alenquer to Stiring-Wendel | 1,053.12 mi (1,694.83 km) |
| Alenquer to Strasbourg | 1,060.09 mi (1,706.05 km) |
| Alenquer to Sucy-en-Brie | 881.71 mi (1,418.97 km) |
| Alenquer to Suresnes | 877.09 mi (1,411.55 km) |
