| Leverkusen to Smolyan | 1,063.67 mi (1,711.81 km) |
| Leverkusen to Sofia | 959.69 mi (1,544.47 km) |
| Leverkusen to Sopot | 1,015.87 mi (1,634.88 km) |
| Leverkusen to Sozopol | 1,141.79 mi (1,837.54 km) |
| Leverkusen to Sredets | 1,124.81 mi (1,810.21 km) |
| Leverkusen to Stamboliyski | 1,031.39 mi (1,659.86 km) |
| Leverkusen to Stara Zagora | 1,060.37 mi (1,706.51 km) |
| Leverkusen to Svilengrad | 1,111.90 mi (1,789.43 km) |
| Leverkusen to Svishtov | 997.20 mi (1,604.83 km) |
| Leverkusen to Targovishte | 1,061.78 mi (1,708.77 km) |
| Leverkusen to Teteven | 985.28 mi (1,585.65 km) |
| Leverkusen to Troyan | 1,004.10 mi (1,615.95 km) |
| Leverkusen to Tryavna | 1,035.29 mi (1,666.14 km) |
| Leverkusen to Tutrakan | 1,030.60 mi (1,658.59 km) |
| Leverkusen to Varna | 1,116.96 mi (1,797.58 km) |
