| Solleftea to Smolyan | 1,521.51 mi (2,448.64 km) |
| Solleftea to Sofia | 1,434.98 mi (2,309.37 km) |
| Solleftea to Sopot | 1,449.17 mi (2,332.21 km) |
| Solleftea to Sozopol | 1,494.04 mi (2,404.42 km) |
| Solleftea to Sredets | 1,493.01 mi (2,402.77 km) |
| Solleftea to Stamboliyski | 1,482.64 mi (2,386.08 km) |
| Solleftea to Stara Zagora | 1,471.83 mi (2,368.68 km) |
| Solleftea to Svilengrad | 1,522.29 mi (2,449.89 km) |
| Solleftea to Svishtov | 1,388.67 mi (2,234.86 km) |
| Solleftea to Targovishte | 1,425.66 mi (2,294.37 km) |
| Solleftea to Teteven | 1,427.06 mi (2,296.62 km) |
| Solleftea to Troyan | 1,432.99 mi (2,306.18 km) |
| Solleftea to Tryavna | 1,440.99 mi (2,319.05 km) |
| Solleftea to Tutrakan | 1,371.99 mi (2,208.00 km) |
| Solleftea to Varna | 1,442.72 mi (2,321.84 km) |
