| Karlsdorf-Neuthard to Smolyan | 939.07 mi (1,511.29 km) |
| Karlsdorf-Neuthard to Sofia | 836.19 mi (1,345.72 km) |
| Karlsdorf-Neuthard to Sopot | 896.33 mi (1,442.50 km) |
| Karlsdorf-Neuthard to Sozopol | 1,029.35 mi (1,656.58 km) |
| Karlsdorf-Neuthard to Sredets | 1,010.68 mi (1,626.53 km) |
| Karlsdorf-Neuthard to Stamboliyski | 908.73 mi (1,462.46 km) |
| Karlsdorf-Neuthard to Stara Zagora | 942.34 mi (1,516.54 km) |
| Karlsdorf-Neuthard to Svilengrad | 992.25 mi (1,596.88 km) |
| Karlsdorf-Neuthard to Svishtov | 884.70 mi (1,423.78 km) |
| Karlsdorf-Neuthard to Targovishte | 950.70 mi (1,530.00 km) |
| Karlsdorf-Neuthard to Teteven | 865.67 mi (1,393.17 km) |
| Karlsdorf-Neuthard to Troyan | 885.66 mi (1,425.33 km) |
| Karlsdorf-Neuthard to Tryavna | 919.04 mi (1,479.05 km) |
| Karlsdorf-Neuthard to Tutrakan | 924.38 mi (1,487.64 km) |
| Karlsdorf-Neuthard to Varna | 1,009.36 mi (1,624.41 km) |
