| Breisach am Rhein to Smolyan | 947.13 mi (1,524.26 km) |
| Breisach am Rhein to Sofia | 846.46 mi (1,362.24 km) |
| Breisach am Rhein to Sopot | 910.31 mi (1,465.00 km) |
| Breisach am Rhein to Sozopol | 1,049.23 mi (1,688.57 km) |
| Breisach am Rhein to Sredets | 1,029.11 mi (1,656.18 km) |
| Breisach am Rhein to Stamboliyski | 919.25 mi (1,479.39 km) |
| Breisach am Rhein to Stara Zagora | 957.47 mi (1,540.90 km) |
| Breisach am Rhein to Svilengrad | 1,005.33 mi (1,617.92 km) |
| Breisach am Rhein to Svishtov | 905.73 mi (1,457.63 km) |
| Breisach am Rhein to Targovishte | 972.44 mi (1,564.98 km) |
| Breisach am Rhein to Teteven | 879.89 mi (1,416.04 km) |
| Breisach am Rhein to Troyan | 900.88 mi (1,449.82 km) |
| Breisach am Rhein to Tryavna | 936.16 mi (1,506.60 km) |
| Breisach am Rhein to Tutrakan | 950.59 mi (1,529.83 km) |
| Breisach am Rhein to Varna | 1,033.71 mi (1,663.59 km) |
