| Belper to Smolyan | 1,446.52 mi (2,327.95 km) |
| Belper to Sofia | 1,342.86 mi (2,161.12 km) |
| Belper to Sopot | 1,400.12 mi (2,253.28 km) |
| Belper to Sozopol | 1,526.55 mi (2,456.74 km) |
| Belper to Sredets | 1,509.61 mi (2,429.48 km) |
| Belper to Stamboliyski | 1,414.89 mi (2,277.04 km) |
| Belper to Stara Zagora | 1,444.89 mi (2,325.33 km) |
| Belper to Svilengrad | 1,496.19 mi (2,407.88 km) |
| Belper to Svishtov | 1,381.98 mi (2,224.08 km) |
| Belper to Targovishte | 1,446.47 mi (2,327.87 km) |
| Belper to Teteven | 1,369.50 mi (2,203.99 km) |
| Belper to Troyan | 1,388.53 mi (2,234.63 km) |
| Belper to Tryavna | 1,419.98 mi (2,285.24 km) |
| Belper to Tutrakan | 1,414.70 mi (2,276.73 km) |
| Belper to Varna | 1,501.20 mi (2,415.96 km) |
