| Aberdare to Smolyan | 1,494.19 mi (2,404.66 km) |
| Aberdare to Sofia | 1,391.81 mi (2,239.89 km) |
| Aberdare to Sopot | 1,452.49 mi (2,337.55 km) |
| Aberdare to Sozopol | 1,584.80 mi (2,550.49 km) |
| Aberdare to Sredets | 1,566.49 mi (2,521.02 km) |
| Aberdare to Stamboliyski | 1,464.46 mi (2,356.82 km) |
| Aberdare to Stara Zagora | 1,498.52 mi (2,411.63 km) |
| Aberdare to Svilengrad | 1,548.38 mi (2,491.88 km) |
| Aberdare to Svishtov | 1,440.03 mi (2,317.51 km) |
| Aberdare to Targovishte | 1,505.69 mi (2,423.17 km) |
| Aberdare to Teteven | 1,421.84 mi (2,288.23 km) |
| Aberdare to Troyan | 1,441.84 mi (2,320.42 km) |
| Aberdare to Tryavna | 1,475.10 mi (2,373.95 km) |
| Aberdare to Tutrakan | 1,477.39 mi (2,377.63 km) |
| Aberdare to Varna | 1,563.12 mi (2,515.59 km) |
