| Silver Firs to Smolyan | 5,933.03 mi (9,548.29 km) |
| Silver Firs to Sofia | 5,835.19 mi (9,390.83 km) |
| Silver Firs to Sopot | 5,865.44 mi (9,439.51 km) |
| Silver Firs to Sozopol | 5,933.52 mi (9,549.08 km) |
| Silver Firs to Sredets | 5,929.17 mi (9,542.08 km) |
| Silver Firs to Stamboliyski | 5,894.54 mi (9,486.35 km) |
| Silver Firs to Stara Zagora | 5,896.03 mi (9,488.74 km) |
| Silver Firs to Svilengrad | 5,949.11 mi (9,574.16 km) |
| Silver Firs to Svishtov | 5,814.30 mi (9,357.21 km) |
| Silver Firs to Targovishte | 5,860.01 mi (9,430.77 km) |
| Silver Firs to Teteven | 5,839.24 mi (9,397.36 km) |
| Silver Firs to Troyan | 5,849.83 mi (9,414.39 km) |
| Silver Firs to Tryavna | 5,865.33 mi (9,439.34 km) |
| Silver Firs to Tutrakan | 5,808.81 mi (9,348.37 km) |
| Silver Firs to Varna | 5,885.18 mi (9,471.28 km) |
