| Aberystwyth to Seysses | 664.20 mi (1,068.92 km) |
| Aberystwyth to Sin-le-Noble | 340.82 mi (548.50 km) |
| Aberystwyth to Six-Fours-les-Plages | 789.37 mi (1,270.37 km) |
| Aberystwyth to Soissons | 384.44 mi (618.69 km) |
| Aberystwyth to Soisy-sous-Montmorency | 365.83 mi (588.75 km) |
| Aberystwyth to Sollies-Pont | 790.14 mi (1,271.60 km) |
| Aberystwyth to Somain | 347.56 mi (559.34 km) |
| Aberystwyth to Sorgues | 711.06 mi (1,144.34 km) |
| Aberystwyth to Sotteville-les-Rouen | 306.21 mi (492.80 km) |
| Aberystwyth to Soyaux | 506.35 mi (814.89 km) |
| Aberystwyth to Stains | 370.39 mi (596.09 km) |
| Aberystwyth to Stiring-Wendel | 528.82 mi (851.06 km) |
| Aberystwyth to Strasbourg | 582.34 mi (937.18 km) |
| Aberystwyth to Sucy-en-Brie | 383.53 mi (617.24 km) |
| Aberystwyth to Suresnes | 368.79 mi (593.51 km) |
