| Auchel to Smolyan | 1,224.45 mi (1,970.56 km) |
| Auchel to Sofia | 1,122.01 mi (1,805.70 km) |
| Auchel to Sopot | 1,182.77 mi (1,903.48 km) |
| Auchel to Sozopol | 1,315.82 mi (2,117.61 km) |
| Auchel to Sredets | 1,297.26 mi (2,087.73 km) |
| Auchel to Stamboliyski | 1,194.66 mi (1,922.62 km) |
| Auchel to Stara Zagora | 1,228.89 mi (1,977.70 km) |
| Auchel to Svilengrad | 1,278.63 mi (2,057.76 km) |
| Auchel to Svishtov | 1,171.11 mi (1,884.73 km) |
| Auchel to Targovishte | 1,236.98 mi (1,990.73 km) |
| Auchel to Teteven | 1,152.12 mi (1,854.16 km) |
| Auchel to Troyan | 1,172.20 mi (1,886.47 km) |
| Auchel to Tryavna | 1,205.65 mi (1,940.30 km) |
| Auchel to Tutrakan | 1,209.74 mi (1,946.89 km) |
| Auchel to Varna | 1,295.11 mi (2,084.27 km) |
