| Belmont to Smolyan | 6,588.58 mi (10,603.30 km) |
| Belmont to Sofia | 6,488.37 mi (10,442.03 km) |
| Belmont to Sopot | 6,523.27 mi (10,498.19 km) |
| Belmont to Sozopol | 6,600.37 mi (10,622.27 km) |
| Belmont to Sredets | 6,594.35 mi (10,612.57 km) |
| Belmont to Stamboliyski | 6,550.63 mi (10,542.22 km) |
| Belmont to Stara Zagora | 6,556.40 mi (10,551.50 km) |
| Belmont to Svilengrad | 6,610.04 mi (10,637.83 km) |
| Belmont to Svishtov | 6,475.92 mi (10,421.99 km) |
| Belmont to Targovishte | 6,524.82 mi (10,500.68 km) |
| Belmont to Teteven | 6,496.01 mi (10,454.32 km) |
| Belmont to Troyan | 6,508.01 mi (10,473.63 km) |
| Belmont to Tryavna | 6,526.03 mi (10,502.63 km) |
| Belmont to Tutrakan | 6,475.11 mi (10,420.68 km) |
| Belmont to Varna | 6,554.00 mi (10,547.64 km) |
