| Silverton to Smolyan | 6,125.84 mi (9,858.59 km) |
| Silverton to Sofia | 6,027.52 mi (9,700.36 km) |
| Silverton to Sopot | 6,058.64 mi (9,750.45 km) |
| Silverton to Sozopol | 6,128.36 mi (9,862.65 km) |
| Silverton to Sredets | 6,123.72 mi (9,855.17 km) |
| Silverton to Stamboliyski | 6,087.44 mi (9,796.79 km) |
| Silverton to Stara Zagora | 6,089.71 mi (9,800.44 km) |
| Silverton to Svilengrad | 6,142.91 mi (9,886.05 km) |
| Silverton to Svishtov | 6,008.18 mi (9,669.23 km) |
| Silverton to Targovishte | 6,054.47 mi (9,743.73 km) |
| Silverton to Teteven | 6,032.24 mi (9,707.96 km) |
| Silverton to Troyan | 6,043.09 mi (9,725.42 km) |
| Silverton to Tryavna | 6,059.06 mi (9,751.12 km) |
| Silverton to Tutrakan | 6,003.51 mi (9,661.72 km) |
| Silverton to Varna | 6,080.35 mi (9,785.37 km) |
