| Louvain-la-Neuve to Sofia | 1,044.13 mi (1,680.36 km) |
| Louvain-la-Neuve to Sopot | 1,103.32 mi (1,775.62 km) |
| Louvain-la-Neuve to Sozopol | 1,233.96 mi (1,985.87 km) |
| Louvain-la-Neuve to Sredets | 1,215.94 mi (1,956.87 km) |
| Louvain-la-Neuve to Stamboliyski | 1,116.53 mi (1,796.89 km) |
| Louvain-la-Neuve to Stara Zagora | 1,148.91 mi (1,848.99 km) |
| Louvain-la-Neuve to Svilengrad | 1,199.35 mi (1,930.17 km) |
| Louvain-la-Neuve to Svishtov | 1,089.17 mi (1,752.85 km) |
| Louvain-la-Neuve to Targovishte | 1,154.65 mi (1,858.23 km) |
| Louvain-la-Neuve to Teteven | 1,072.65 mi (1,726.27 km) |
| Louvain-la-Neuve to Troyan | 1,092.31 mi (1,757.90 km) |
| Louvain-la-Neuve to Tryavna | 1,124.99 mi (1,810.49 km) |
| Louvain-la-Neuve to Tutrakan | 1,126.03 mi (1,812.17 km) |
| Louvain-la-Neuve to Varna | 1,211.80 mi (1,950.20 km) |
| Louvain-la-Neuve to Veliki Preslav | 1,167.62 mi (1,879.11 km) |
