| Achern to Smolyan | 943.13 mi (1,517.83 km) |
| Achern to Sofia | 841.16 mi (1,353.71 km) |
| Achern to Sopot | 903.10 mi (1,453.40 km) |
| Achern to Sozopol | 1,039.02 mi (1,672.14 km) |
| Achern to Sredets | 1,019.65 mi (1,640.97 km) |
| Achern to Stamboliyski | 913.91 mi (1,470.79 km) |
| Achern to Stara Zagora | 949.70 mi (1,528.40 km) |
| Achern to Svilengrad | 998.71 mi (1,607.27 km) |
| Achern to Svishtov | 894.76 mi (1,439.98 km) |
| Achern to Targovishte | 961.16 mi (1,546.84 km) |
| Achern to Teteven | 872.52 mi (1,404.19 km) |
| Achern to Troyan | 893.00 mi (1,437.15 km) |
| Achern to Tryavna | 927.31 mi (1,492.36 km) |
| Achern to Tutrakan | 936.91 mi (1,507.81 km) |
| Achern to Varna | 1,021.10 mi (1,643.30 km) |
