| Castricum to Roeselare | 129.07 mi (207.72 km) |
| Castricum to Ronse | 132.50 mi (213.25 km) |
| Castricum to Rotselaar | 110.49 mi (177.82 km) |
| Castricum to Rumst | 101.90 mi (163.99 km) |
| Castricum to Saint-Ghislain | 149.63 mi (240.80 km) |
| Castricum to Saint-Nicolas | 137.55 mi (221.37 km) |
| Castricum to Saint-Vith | 168.87 mi (271.78 km) |
| Castricum to Scherpenheuvel | 107.18 mi (172.50 km) |
| Castricum to Schilde | 91.08 mi (146.57 km) |
| Castricum to Schoten | 90.10 mi (145.01 km) |
| Castricum to Seneffe | 140.49 mi (226.09 km) |
| Castricum to Seraing | 140.52 mi (226.14 km) |
| Castricum to Sint-Amandsberg | 110.55 mi (177.92 km) |
| Castricum to Sint-Andries | 112.71 mi (181.39 km) |
| Castricum to Sint-Genesius-Rode | 125.47 mi (201.92 km) |
