| Ludwigshafen to Smolyan | 954.63 mi (1,536.33 km) |
| Ludwigshafen to Sofia | 851.41 mi (1,370.21 km) |
| Ludwigshafen to Sopot | 910.64 mi (1,465.53 km) |
| Ludwigshafen to Sozopol | 1,042.13 mi (1,677.14 km) |
| Ludwigshafen to Sredets | 1,023.82 mi (1,647.68 km) |
| Ludwigshafen to Stamboliyski | 923.80 mi (1,486.71 km) |
| Ludwigshafen to Stara Zagora | 956.33 mi (1,539.06 km) |
| Ludwigshafen to Svilengrad | 1,006.65 mi (1,620.05 km) |
| Ludwigshafen to Svishtov | 897.37 mi (1,444.17 km) |
| Ludwigshafen to Targovishte | 963.11 mi (1,549.97 km) |
| Ludwigshafen to Teteven | 879.97 mi (1,416.18 km) |
| Ludwigshafen to Troyan | 899.70 mi (1,447.93 km) |
| Ludwigshafen to Tryavna | 932.60 mi (1,500.87 km) |
| Ludwigshafen to Tutrakan | 935.69 mi (1,505.84 km) |
| Ludwigshafen to Varna | 1,021.05 mi (1,643.22 km) |
