| Riegelsberg to Smolyan | 1,008.86 mi (1,623.60 km) |
| Riegelsberg to Sofia | 906.42 mi (1,458.74 km) |
| Riegelsberg to Sopot | 967.41 mi (1,556.90 km) |
| Riegelsberg to Sozopol | 1,101.54 mi (1,772.76 km) |
| Riegelsberg to Sredets | 1,082.64 mi (1,742.34 km) |
| Riegelsberg to Stamboliyski | 979.08 mi (1,575.68 km) |
| Riegelsberg to Stara Zagora | 1,013.68 mi (1,631.36 km) |
| Riegelsberg to Svilengrad | 1,063.22 mi (1,711.09 km) |
| Riegelsberg to Svishtov | 956.98 mi (1,540.11 km) |
| Riegelsberg to Targovishte | 1,023.11 mi (1,646.54 km) |
| Riegelsberg to Teteven | 936.78 mi (1,507.61 km) |
| Riegelsberg to Troyan | 956.98 mi (1,540.11 km) |
| Riegelsberg to Tryavna | 990.73 mi (1,594.42 km) |
| Riegelsberg to Tutrakan | 997.28 mi (1,604.96 km) |
| Riegelsberg to Varna | 1,082.11 mi (1,741.48 km) |
