| Landgraaf to Smolyan | 1,095.35 mi (1,762.79 km) |
| Landgraaf to Sofia | 991.64 mi (1,595.89 km) |
| Landgraaf to Sopot | 1,049.03 mi (1,688.26 km) |
| Landgraaf to Sozopol | 1,176.86 mi (1,893.98 km) |
| Landgraaf to Sredets | 1,159.47 mi (1,865.99 km) |
| Landgraaf to Stamboliyski | 1,063.66 mi (1,711.79 km) |
| Landgraaf to Stara Zagora | 1,093.99 mi (1,760.60 km) |
| Landgraaf to Svilengrad | 1,145.11 mi (1,842.87 km) |
| Landgraaf to Svishtov | 1,032.13 mi (1,661.06 km) |
| Landgraaf to Targovishte | 1,097.09 mi (1,765.60 km) |
| Landgraaf to Teteven | 1,018.40 mi (1,638.95 km) |
| Landgraaf to Troyan | 1,037.56 mi (1,669.79 km) |
| Landgraaf to Tryavna | 1,069.35 mi (1,720.95 km) |
| Landgraaf to Tutrakan | 1,066.91 mi (1,717.03 km) |
| Landgraaf to Varna | 1,153.07 mi (1,855.68 km) |
