| Fritzlar to Smolyan | 984.24 mi (1,583.98 km) |
| Fritzlar to Sofia | 879.95 mi (1,416.14 km) |
| Fritzlar to Sopot | 933.19 mi (1,501.82 km) |
| Fritzlar to Sozopol | 1,054.63 mi (1,697.27 km) |
| Fritzlar to Sredets | 1,038.58 mi (1,671.44 km) |
| Fritzlar to Stamboliyski | 950.70 mi (1,530.00 km) |
| Fritzlar to Stara Zagora | 976.58 mi (1,571.65 km) |
| Fritzlar to Svilengrad | 1,028.90 mi (1,655.85 km) |
| Fritzlar to Svishtov | 910.59 mi (1,465.45 km) |
| Fritzlar to Targovishte | 974.21 mi (1,567.84 km) |
| Fritzlar to Teteven | 902.77 mi (1,452.87 km) |
| Fritzlar to Troyan | 920.79 mi (1,481.87 km) |
| Fritzlar to Tryavna | 950.55 mi (1,529.76 km) |
| Fritzlar to Tutrakan | 940.93 mi (1,514.28 km) |
| Fritzlar to Varna | 1,027.60 mi (1,653.77 km) |
