| Castellanza to Roeselare | 453.65 mi (730.07 km) |
| Castellanza to Ronse | 430.34 mi (692.57 km) |
| Castellanza to Rotselaar | 415.70 mi (669.00 km) |
| Castellanza to Rumst | 429.97 mi (691.97 km) |
| Castellanza to Saint-Ghislain | 408.05 mi (656.70 km) |
| Castellanza to Saint-Nicolas | 379.70 mi (611.07 km) |
| Castellanza to Saint-Vith | 346.86 mi (558.21 km) |
| Castellanza to Scherpenheuvel | 413.91 mi (666.12 km) |
| Castellanza to Schilde | 435.79 mi (701.33 km) |
| Castellanza to Schoten | 438.19 mi (705.20 km) |
| Castellanza to Seneffe | 401.66 mi (646.42 km) |
| Castellanza to Seraing | 377.22 mi (607.08 km) |
| Castellanza to Sint-Amandsberg | 443.71 mi (714.08 km) |
| Castellanza to Sint-Andries | 466.12 mi (750.15 km) |
| Castellanza to Sint-Genesius-Rode | 411.59 mi (662.39 km) |
