| Guastalla to Saint-Lo | 624.30 mi (1,004.71 km) |
| Guastalla to Saint-Loubes | 542.41 mi (872.93 km) |
| Guastalla to Saint-Louis | 236.61 mi (380.79 km) |
| Guastalla to Saint-Lys | 479.50 mi (771.68 km) |
| Guastalla to Saint-Malo | 651.85 mi (1,049.06 km) |
| Guastalla to Saint-Mande | 474.24 mi (763.21 km) |
| Guastalla to Saint-Martin-Boulogne | 579.54 mi (932.68 km) |
| Guastalla to Saint-Martin-d'Heres | 239.88 mi (386.04 km) |
| Guastalla to Saint-Martin-de-Crau | 302.66 mi (487.08 km) |
| Guastalla to Saint-Maur-des-Fosses | 469.54 mi (755.66 km) |
| Guastalla to Saint-Maurice | 472.75 mi (760.81 km) |
| Guastalla to Saint-Max | 335.81 mi (540.44 km) |
| Guastalla to Saint-Maximin-la-Sainte-Baume | 258.59 mi (416.16 km) |
| Guastalla to Saint-Medard-en-Jalles | 556.59 mi (895.74 km) |
| Guastalla to Saint-Michel-sur-Orge | 471.34 mi (758.56 km) |
