| Guastalla to Roeselare | 542.95 mi (873.80 km) |
| Guastalla to Ronse | 519.00 mi (835.26 km) |
| Guastalla to Rotselaar | 499.48 mi (803.84 km) |
| Guastalla to Rumst | 514.40 mi (827.84 km) |
| Guastalla to Saint-Ghislain | 497.25 mi (800.25 km) |
| Guastalla to Saint-Nicolas | 461.07 mi (742.02 km) |
| Guastalla to Saint-Vith | 426.54 mi (686.45 km) |
| Guastalla to Scherpenheuvel | 496.31 mi (798.73 km) |
| Guastalla to Schilde | 519.00 mi (835.24 km) |
| Guastalla to Schoten | 521.60 mi (839.44 km) |
| Guastalla to Seneffe | 489.04 mi (787.04 km) |
| Guastalla to Seraing | 458.98 mi (738.66 km) |
| Guastalla to Sint-Amandsberg | 530.68 mi (854.04 km) |
| Guastalla to Sint-Andries | 554.29 mi (892.05 km) |
| Guastalla to Sint-Genesius-Rode | 497.71 mi (800.98 km) |
