| Belfast to Seysses | 832.96 mi (1,340.52 km) |
| Belfast to Sin-le-Noble | 479.35 mi (771.43 km) |
| Belfast to Six-Fours-les-Plages | 954.44 mi (1,536.03 km) |
| Belfast to Soissons | 532.91 mi (857.64 km) |
| Belfast to Soisy-sous-Montmorency | 522.64 mi (841.11 km) |
| Belfast to Sollies-Pont | 954.67 mi (1,536.39 km) |
| Belfast to Somain | 485.17 mi (780.81 km) |
| Belfast to Sorgues | 876.49 mi (1,410.58 km) |
| Belfast to Sotteville-les-Rouen | 466.03 mi (750.00 km) |
| Belfast to Soyaux | 675.12 mi (1,086.50 km) |
| Belfast to Stains | 527.06 mi (848.22 km) |
| Belfast to Stiring-Wendel | 661.45 mi (1,064.49 km) |
| Belfast to Strasbourg | 717.23 mi (1,154.27 km) |
| Belfast to Sucy-en-Brie | 540.73 mi (870.23 km) |
| Belfast to Suresnes | 526.74 mi (847.70 km) |
