| Leiderdorp to Smolyan | 1,193.97 mi (1,921.51 km) |
| Leiderdorp to Sofia | 1,089.89 mi (1,754.01 km) |
| Leiderdorp to Sopot | 1,145.26 mi (1,843.12 km) |
| Leiderdorp to Sozopol | 1,269.23 mi (2,042.63 km) |
| Leiderdorp to Sredets | 1,252.75 mi (2,016.11 km) |
| Leiderdorp to Stamboliyski | 1,161.38 mi (1,869.06 km) |
| Leiderdorp to Stara Zagora | 1,189.38 mi (1,914.12 km) |
| Leiderdorp to Svilengrad | 1,241.21 mi (1,997.54 km) |
| Leiderdorp to Svishtov | 1,124.89 mi (1,810.34 km) |
| Leiderdorp to Targovishte | 1,188.95 mi (1,913.44 km) |
| Leiderdorp to Teteven | 1,114.72 mi (1,793.96 km) |
| Leiderdorp to Troyan | 1,133.27 mi (1,823.83 km) |
| Leiderdorp to Tryavna | 1,163.90 mi (1,873.12 km) |
| Leiderdorp to Tutrakan | 1,156.36 mi (1,860.98 km) |
| Leiderdorp to Varna | 1,242.97 mi (2,000.36 km) |
