| Leusden to Smolyan | 1,159.93 mi (1,866.73 km) |
| Leusden to Sofia | 1,055.76 mi (1,699.07 km) |
| Leusden to Sopot | 1,110.42 mi (1,787.05 km) |
| Leusden to Sozopol | 1,233.31 mi (1,984.83 km) |
| Leusden to Sredets | 1,217.05 mi (1,958.66 km) |
| Leusden to Stamboliyski | 1,127.03 mi (1,813.77 km) |
| Leusden to Stara Zagora | 1,154.27 mi (1,857.62 km) |
| Leusden to Svilengrad | 1,206.30 mi (1,941.35 km) |
| Leusden to Svishtov | 1,089.12 mi (1,752.77 km) |
| Leusden to Targovishte | 1,152.95 mi (1,855.50 km) |
| Leusden to Teteven | 1,079.92 mi (1,737.96 km) |
| Leusden to Troyan | 1,098.28 mi (1,767.51 km) |
| Leusden to Tryavna | 1,128.57 mi (1,816.25 km) |
| Leusden to Tutrakan | 1,119.88 mi (1,802.27 km) |
| Leusden to Varna | 1,206.55 mi (1,941.75 km) |
