| Lauffen am Neckar to Smolyan | 913.18 mi (1,469.62 km) |
| Lauffen am Neckar to Sofia | 810.12 mi (1,303.76 km) |
| Lauffen am Neckar to Sopot | 869.84 mi (1,399.87 km) |
| Lauffen am Neckar to Sozopol | 1,002.33 mi (1,613.10 km) |
| Lauffen am Neckar to Sredets | 983.77 mi (1,583.23 km) |
| Lauffen am Neckar to Stamboliyski | 882.59 mi (1,420.38 km) |
| Lauffen am Neckar to Stara Zagora | 915.73 mi (1,473.72 km) |
| Lauffen am Neckar to Svilengrad | 965.81 mi (1,554.32 km) |
| Lauffen am Neckar to Svishtov | 857.64 mi (1,380.24 km) |
| Lauffen am Neckar to Targovishte | 923.57 mi (1,486.35 km) |
| Lauffen am Neckar to Teteven | 839.18 mi (1,350.53 km) |
| Lauffen am Neckar to Troyan | 859.06 mi (1,382.53 km) |
| Lauffen am Neckar to Tryavna | 892.26 mi (1,435.96 km) |
| Lauffen am Neckar to Tutrakan | 897.00 mi (1,443.59 km) |
| Lauffen am Neckar to Varna | 982.07 mi (1,580.49 km) |
