| Grunstadt to Smolyan | 968.07 mi (1,557.95 km) |
| Grunstadt to Sofia | 864.85 mi (1,391.84 km) |
| Grunstadt to Sopot | 924.07 mi (1,487.15 km) |
| Grunstadt to Sozopol | 1,055.48 mi (1,698.64 km) |
| Grunstadt to Sredets | 1,037.20 mi (1,669.22 km) |
| Grunstadt to Stamboliyski | 937.24 mi (1,508.34 km) |
| Grunstadt to Stara Zagora | 969.75 mi (1,560.66 km) |
| Grunstadt to Svilengrad | 1,020.09 mi (1,641.68 km) |
| Grunstadt to Svishtov | 910.72 mi (1,465.66 km) |
| Grunstadt to Targovishte | 976.44 mi (1,571.42 km) |
| Grunstadt to Teteven | 893.41 mi (1,437.80 km) |
| Grunstadt to Troyan | 913.13 mi (1,469.54 km) |
| Grunstadt to Tryavna | 946.00 mi (1,522.44 km) |
| Grunstadt to Tutrakan | 948.91 mi (1,527.13 km) |
| Grunstadt to Varna | 1,034.31 mi (1,664.57 km) |
