| Schwalmtal to Smolyan | 1,097.23 mi (1,765.82 km) |
| Schwalmtal to Sofia | 993.29 mi (1,598.54 km) |
| Schwalmtal to Sopot | 1,049.63 mi (1,689.22 km) |
| Schwalmtal to Sozopol | 1,175.67 mi (1,892.06 km) |
| Schwalmtal to Sredets | 1,158.68 mi (1,864.72 km) |
| Schwalmtal to Stamboliyski | 1,065.04 mi (1,714.01 km) |
| Schwalmtal to Stara Zagora | 1,094.18 mi (1,760.91 km) |
| Schwalmtal to Svilengrad | 1,145.67 mi (1,843.77 km) |
| Schwalmtal to Svishtov | 1,031.07 mi (1,659.35 km) |
| Schwalmtal to Targovishte | 1,095.66 mi (1,763.29 km) |
| Schwalmtal to Teteven | 1,019.03 mi (1,639.97 km) |
| Schwalmtal to Troyan | 1,037.89 mi (1,670.33 km) |
| Schwalmtal to Tryavna | 1,069.13 mi (1,720.60 km) |
| Schwalmtal to Tutrakan | 1,064.44 mi (1,713.06 km) |
| Schwalmtal to Varna | 1,150.82 mi (1,852.06 km) |
