| Ludinghausen to Smolyan | 1,074.57 mi (1,729.36 km) |
| Ludinghausen to Sofia | 970.31 mi (1,561.56 km) |
| Ludinghausen to Sopot | 1,023.93 mi (1,647.86 km) |
| Ludinghausen to Sozopol | 1,145.47 mi (1,843.46 km) |
| Ludinghausen to Sredets | 1,129.46 mi (1,817.69 km) |
| Ludinghausen to Stamboliyski | 1,041.22 mi (1,675.68 km) |
| Ludinghausen to Stara Zagora | 1,067.41 mi (1,717.83 km) |
| Ludinghausen to Svilengrad | 1,119.68 mi (1,801.94 km) |
| Ludinghausen to Svishtov | 1,001.46 mi (1,611.69 km) |
| Ludinghausen to Targovishte | 1,065.03 mi (1,714.00 km) |
| Ludinghausen to Teteven | 993.49 mi (1,598.87 km) |
| Ludinghausen to Troyan | 1,011.59 mi (1,627.99 km) |
| Ludinghausen to Tryavna | 1,041.42 mi (1,676.01 km) |
| Ludinghausen to Tutrakan | 1,031.50 mi (1,660.05 km) |
| Ludinghausen to Varna | 1,118.22 mi (1,799.60 km) |
