| Castalla to Roeselare | 872.92 mi (1,404.83 km) |
| Castalla to Ronse | 865.15 mi (1,392.33 km) |
| Castalla to Rotselaar | 892.87 mi (1,436.94 km) |
| Castalla to Rumst | 897.47 mi (1,444.33 km) |
| Castalla to Saint-Ghislain | 847.88 mi (1,364.54 km) |
| Castalla to Saint-Nicolas | 885.08 mi (1,424.39 km) |
| Castalla to Saint-Vith | 873.54 mi (1,405.83 km) |
| Castalla to Scherpenheuvel | 900.54 mi (1,449.28 km) |
| Castalla to Schilde | 909.34 mi (1,463.44 km) |
| Castalla to Schoten | 909.54 mi (1,463.76 km) |
| Castalla to Seneffe | 859.08 mi (1,382.56 km) |
| Castalla to Seraing | 881.32 mi (1,418.36 km) |
| Castalla to Sint-Amandsberg | 887.12 mi (1,427.69 km) |
| Castalla to Sint-Andries | 890.67 mi (1,433.40 km) |
| Castalla to Sint-Genesius-Rode | 874.30 mi (1,407.04 km) |
