| Guastalla to Seysses | 473.26 mi (761.63 km) |
| Guastalla to Sin-le-Noble | 514.53 mi (828.06 km) |
| Guastalla to Six-Fours-les-Plages | 271.51 mi (436.95 km) |
| Guastalla to Soissons | 462.47 mi (744.27 km) |
| Guastalla to Soisy-sous-Montmorency | 484.16 mi (779.17 km) |
| Guastalla to Sollies-Pont | 258.77 mi (416.45 km) |
| Guastalla to Somain | 509.00 mi (819.15 km) |
| Guastalla to Sorgues | 292.47 mi (470.68 km) |
| Guastalla to Sotteville-les-Rouen | 545.92 mi (878.58 km) |
| Guastalla to Soyaux | 511.06 mi (822.47 km) |
| Guastalla to Stains | 479.55 mi (771.77 km) |
| Guastalla to Stiring-Wendel | 344.19 mi (553.91 km) |
| Guastalla to Strasbourg | 288.57 mi (464.40 km) |
| Guastalla to Sucy-en-Brie | 467.57 mi (752.48 km) |
| Guastalla to Suresnes | 482.94 mi (777.21 km) |
