| Mortsel to Sin-le-Noble | 81.13 mi (130.56 km) |
| Mortsel to Six-Fours-les-Plages | 560.88 mi (902.66 km) |
| Mortsel to Soissons | 133.26 mi (214.46 km) |
| Mortsel to Soisy-sous-Montmorency | 178.58 mi (287.40 km) |
| Mortsel to Sollies-Pont | 556.04 mi (894.86 km) |
| Mortsel to Somain | 76.25 mi (122.71 km) |
| Mortsel to Sorgues | 494.96 mi (796.56 km) |
| Mortsel to Sotteville-les-Rouen | 192.23 mi (309.37 km) |
| Mortsel to Soyaux | 428.94 mi (690.31 km) |
| Mortsel to Stains | 178.86 mi (287.85 km) |
| Mortsel to Stiring-Wendel | 174.15 mi (280.26 km) |
| Mortsel to Strasbourg | 230.56 mi (371.05 km) |
| Mortsel to Sucy-en-Brie | 186.78 mi (300.59 km) |
| Mortsel to Suresnes | 187.41 mi (301.61 km) |
| Mortsel to Talant | 265.76 mi (427.70 km) |
