| Walldorf to Smolyan | 940.17 mi (1,513.05 km) |
| Walldorf to Sofia | 837.06 mi (1,347.12 km) |
| Walldorf to Sopot | 896.61 mi (1,442.96 km) |
| Walldorf to Sozopol | 1,028.70 mi (1,655.54 km) |
| Walldorf to Sredets | 1,010.25 mi (1,625.85 km) |
| Walldorf to Stamboliyski | 909.50 mi (1,463.70 km) |
| Walldorf to Stara Zagora | 942.43 mi (1,516.69 km) |
| Walldorf to Svilengrad | 992.60 mi (1,597.44 km) |
| Walldorf to Svishtov | 883.98 mi (1,422.63 km) |
| Walldorf to Targovishte | 949.83 mi (1,528.61 km) |
| Walldorf to Teteven | 865.95 mi (1,393.62 km) |
| Walldorf to Troyan | 885.78 mi (1,425.52 km) |
| Walldorf to Tryavna | 918.86 mi (1,478.76 km) |
| Walldorf to Tutrakan | 922.87 mi (1,485.22 km) |
| Walldorf to Varna | 1,008.08 mi (1,622.35 km) |
