| Guastalla to Rouvroy | 522.65 mi (841.12 km) |
| Guastalla to Royan | 570.97 mi (918.89 km) |
| Guastalla to Rueil-Malmaison | 484.67 mi (780.00 km) |
| Guastalla to Rumilly | 238.31 mi (383.52 km) |
| Guastalla to Sable-sur-Sarthe | 561.31 mi (903.34 km) |
| Guastalla to Saint-Amand-les-Eaux | 508.91 mi (819.01 km) |
| Guastalla to Saint-Amand-Montrond | 412.11 mi (663.23 km) |
| Guastalla to Saint-Andre | 531.15 mi (854.80 km) |
| Guastalla to Saint-Andre-de-Cubzac | 542.94 mi (873.77 km) |
| Guastalla to Saint-Andre-les-Vergers | 390.35 mi (628.20 km) |
| Guastalla to Saint-Ave | 666.72 mi (1,072.98 km) |
| Guastalla to Saint-Avertin | 504.63 mi (812.13 km) |
| Guastalla to Saint-Avold | 344.12 mi (553.80 km) |
| Guastalla to Saint-Barthelemy-d'Anjou | 561.60 mi (903.81 km) |
| Guastalla to Saint-Brevin-les-Pins | 634.95 mi (1,021.85 km) |
