| Altenbeken to Smolyan | 1,022.47 mi (1,645.51 km) |
| Altenbeken to Sofia | 918.18 mi (1,477.66 km) |
| Altenbeken to Sopot | 969.95 mi (1,560.98 km) |
| Altenbeken to Sozopol | 1,088.66 mi (1,752.03 km) |
| Altenbeken to Sredets | 1,073.22 mi (1,727.18 km) |
| Altenbeken to Stamboliyski | 988.41 mi (1,590.69 km) |
| Altenbeken to Stara Zagora | 1,012.70 mi (1,629.78 km) |
| Altenbeken to Svilengrad | 1,065.38 mi (1,714.56 km) |
| Altenbeken to Svishtov | 945.15 mi (1,521.07 km) |
| Altenbeken to Targovishte | 1,008.06 mi (1,622.32 km) |
| Altenbeken to Teteven | 939.66 mi (1,512.24 km) |
| Altenbeken to Troyan | 957.24 mi (1,540.54 km) |
| Altenbeken to Tryavna | 986.18 mi (1,587.11 km) |
| Altenbeken to Tutrakan | 973.32 mi (1,566.41 km) |
| Altenbeken to Varna | 1,060.12 mi (1,706.11 km) |
