| Sofia to Roeselare | 1,106.88 mi (1,781.35 km) |
| Sofia to Ronse | 1,082.46 mi (1,742.06 km) |
| Sofia to Rotselaar | 1,044.16 mi (1,680.41 km) |
| Sofia to Rumst | 1,059.64 mi (1,705.33 km) |
| Sofia to Saint-Ghislain | 1,065.63 mi (1,714.97 km) |
| Sofia to Saint-Nicolas | 1,002.24 mi (1,612.95 km) |
| Sofia to Saint-Vith | 967.88 mi (1,557.65 km) |
| Sofia to Scherpenheuvel | 1,035.73 mi (1,666.85 km) |
| Sofia to Schilde | 1,058.37 mi (1,703.29 km) |
| Sofia to Schoten | 1,061.47 mi (1,708.27 km) |
| Sofia to Seneffe | 1,050.38 mi (1,690.42 km) |
| Sofia to Seraing | 1,002.03 mi (1,612.61 km) |
| Sofia to Sint-Amandsberg | 1,085.02 mi (1,746.17 km) |
| Sofia to Sint-Andries | 1,111.54 mi (1,788.85 km) |
| Sofia to Sint-Genesius-Rode | 1,052.49 mi (1,693.81 km) |
