| Smolyan to Roeselare | 1,209.92 mi (1,947.18 km) |
| Smolyan to Ronse | 1,185.45 mi (1,907.80 km) |
| Smolyan to Rotselaar | 1,147.59 mi (1,846.87 km) |
| Smolyan to Rumst | 1,163.11 mi (1,871.84 km) |
| Smolyan to Saint-Ghislain | 1,168.38 mi (1,880.33 km) |
| Smolyan to Saint-Nicolas | 1,105.63 mi (1,779.34 km) |
| Smolyan to Saint-Vith | 1,071.13 mi (1,723.82 km) |
| Smolyan to Scherpenheuvel | 1,139.28 mi (1,833.49 km) |
| Smolyan to Schilde | 1,161.98 mi (1,870.03 km) |
| Smolyan to Schoten | 1,165.07 mi (1,875.00 km) |
| Smolyan to Seneffe | 1,153.33 mi (1,856.11 km) |
| Smolyan to Seraing | 1,105.37 mi (1,778.92 km) |
| Smolyan to Sint-Amandsberg | 1,188.31 mi (1,912.40 km) |
| Smolyan to Sint-Andries | 1,214.81 mi (1,955.05 km) |
| Smolyan to Sint-Genesius-Rode | 1,155.66 mi (1,859.86 km) |
