| Silopi to Smolyan | 992.59 mi (1,597.42 km) |
| Silopi to Sofia | 1,078.23 mi (1,735.24 km) |
| Silopi to Sopot | 1,007.63 mi (1,621.63 km) |
| Silopi to Sozopol | 859.64 mi (1,383.46 km) |
| Silopi to Sredets | 882.26 mi (1,419.86 km) |
| Silopi to Stamboliyski | 1,009.28 mi (1,624.28 km) |
| Silopi to Stara Zagora | 959.46 mi (1,544.11 km) |
| Silopi to Svilengrad | 920.05 mi (1,480.68 km) |
| Silopi to Svishtov | 999.54 mi (1,608.61 km) |
| Silopi to Targovishte | 932.70 mi (1,501.04 km) |
| Silopi to Teteven | 1,036.26 mi (1,667.70 km) |
| Silopi to Troyan | 1,013.75 mi (1,631.48 km) |
| Silopi to Tryavna | 975.52 mi (1,569.95 km) |
| Silopi to Tutrakan | 952.39 mi (1,532.72 km) |
| Silopi to Varna | 869.68 mi (1,399.62 km) |
