| Guastalla to Saint-Nazaire | 637.45 mi (1,025.87 km) |
| Guastalla to Saint-Omer | 560.00 mi (901.23 km) |
| Guastalla to Saint-Orens-de-Gameville | 461.57 mi (742.83 km) |
| Guastalla to Saint-Ouen | 480.05 mi (772.57 km) |
| Guastalla to Saint-Ouen-l'Aumone | 493.48 mi (794.18 km) |
| Guastalla to Saint-Paul-les-Dax | 584.60 mi (940.83 km) |
| Guastalla to Saint-Paul-Trois-Chateaux | 292.57 mi (470.85 km) |
| Guastalla to Saint-Philbert-de-Grand-Lieu | 608.08 mi (978.61 km) |
| Guastalla to Saint-Pierre-des-Corps | 505.03 mi (812.77 km) |
| Guastalla to Saint-Pierre-du-Mont | 556.36 mi (895.37 km) |
| Guastalla to Saint-Pierre-du-Perray | 463.07 mi (745.24 km) |
| Guastalla to Saint-Pol-sur-Mer | 570.87 mi (918.73 km) |
| Guastalla to Saint-Priest | 283.17 mi (455.72 km) |
| Guastalla to Saint-Quentin | 484.67 mi (780.01 km) |
| Guastalla to Saint-Rambert | 315.34 mi (507.48 km) |
