| Sompting to Smolyan | 1,347.78 mi (2,169.04 km) |
| Sompting to Sofia | 1,245.68 mi (2,004.73 km) |
| Sompting to Sopot | 1,307.00 mi (2,103.41 km) |
| Sompting to Sozopol | 1,440.71 mi (2,318.60 km) |
| Sompting to Sredets | 1,422.02 mi (2,288.52 km) |
| Sompting to Stamboliyski | 1,318.40 mi (2,121.76 km) |
| Sompting to Stara Zagora | 1,353.28 mi (2,177.90 km) |
| Sompting to Svilengrad | 1,402.78 mi (2,257.56 km) |
| Sompting to Svishtov | 1,296.04 mi (2,085.77 km) |
| Sompting to Targovishte | 1,361.98 mi (2,191.89 km) |
| Sompting to Teteven | 1,276.37 mi (2,054.13 km) |
| Sompting to Troyan | 1,296.58 mi (2,086.65 km) |
| Sompting to Tryavna | 1,330.25 mi (2,140.84 km) |
| Sompting to Tutrakan | 1,334.90 mi (2,148.31 km) |
| Sompting to Varna | 1,420.23 mi (2,285.64 km) |
