| Olen to Ronse | 61.03 mi (98.21 km) |
| Olen to Rotselaar | 15.01 mi (24.16 km) |
| Olen to Rumst | 19.35 mi (31.14 km) |
| Olen to Saint-Ghislain | 66.14 mi (106.45 km) |
| Olen to Saint-Nicolas | 46.49 mi (74.82 km) |
| Olen to Saint-Vith | 82.08 mi (132.10 km) |
| Olen to Scherpenheuvel | 11.03 mi (17.75 km) |
| Olen to Schilde | 13.55 mi (21.81 km) |
| Olen to Schoten | 16.65 mi (26.80 km) |
| Olen to Seneffe | 50.01 mi (80.48 km) |
| Olen to Seraing | 48.34 mi (77.79 km) |
| Olen to Sint-Amandsberg | 48.22 mi (77.60 km) |
| Olen to Sint-Andries | 72.28 mi (116.32 km) |
| Olen to Sint-Genesius-Rode | 35.55 mi (57.21 km) |
| Olen to Sint-Gillis-bij-Dendermonde | 33.55 mi (53.99 km) |
