| Castellammare del Golfo to Seysses | 712.74 mi (1,147.04 km) |
| Castellammare del Golfo to Sin-le-Noble | 978.23 mi (1,574.30 km) |
| Castellammare del Golfo to Six-Fours-les-Plages | 509.82 mi (820.48 km) |
| Castellammare del Golfo to Soissons | 916.72 mi (1,475.32 km) |
| Castellammare del Golfo to Soisy-sous-Montmorency | 922.60 mi (1,484.77 km) |
| Castellammare del Golfo to Sollies-Pont | 505.62 mi (813.71 km) |
| Castellammare del Golfo to Somain | 973.90 mi (1,567.34 km) |
| Castellammare del Golfo to Sorgues | 586.92 mi (944.55 km) |
| Castellammare del Golfo to Sotteville-les-Rouen | 979.98 mi (1,577.12 km) |
| Castellammare del Golfo to Soyaux | 836.74 mi (1,346.61 km) |
| Castellammare del Golfo to Stains | 918.19 mi (1,477.68 km) |
| Castellammare del Golfo to Stiring-Wendel | 826.78 mi (1,330.57 km) |
| Castellammare del Golfo to Strasbourg | 773.29 mi (1,244.50 km) |
| Castellammare del Golfo to Sucy-en-Brie | 904.50 mi (1,455.65 km) |
| Castellammare del Golfo to Suresnes | 918.55 mi (1,478.27 km) |
