| Philippsburg to Smolyan | 945.94 mi (1,522.35 km) |
| Philippsburg to Sofia | 842.99 mi (1,356.66 km) |
| Philippsburg to Sopot | 902.92 mi (1,453.11 km) |
| Philippsburg to Sozopol | 1,035.60 mi (1,666.63 km) |
| Philippsburg to Sredets | 1,017.01 mi (1,636.72 km) |
| Philippsburg to Stamboliyski | 915.50 mi (1,473.35 km) |
| Philippsburg to Stara Zagora | 948.86 mi (1,527.05 km) |
| Philippsburg to Svilengrad | 998.87 mi (1,607.53 km) |
| Philippsburg to Svishtov | 890.91 mi (1,433.79 km) |
| Philippsburg to Targovishte | 956.85 mi (1,539.91 km) |
| Philippsburg to Teteven | 872.27 mi (1,403.78 km) |
| Philippsburg to Troyan | 892.19 mi (1,435.85 km) |
| Philippsburg to Tryavna | 925.46 mi (1,489.39 km) |
| Philippsburg to Tutrakan | 930.26 mi (1,497.12 km) |
| Philippsburg to Varna | 1,015.35 mi (1,634.04 km) |
