| Grunheide to Smolyan | 905.50 mi (1,457.26 km) |
| Grunheide to Sofia | 803.49 mi (1,293.10 km) |
| Grunheide to Sopot | 844.20 mi (1,358.60 km) |
| Grunheide to Sozopol | 945.04 mi (1,520.89 km) |
| Grunheide to Sredets | 933.09 mi (1,501.66 km) |
| Grunheide to Stamboliyski | 868.50 mi (1,397.71 km) |
| Grunheide to Stara Zagora | 882.12 mi (1,419.63 km) |
| Grunheide to Svilengrad | 936.06 mi (1,506.44 km) |
| Grunheide to Svishtov | 806.88 mi (1,298.54 km) |
| Grunheide to Targovishte | 864.79 mi (1,391.74 km) |
| Grunheide to Teteven | 815.41 mi (1,312.28 km) |
| Grunheide to Troyan | 829.81 mi (1,335.44 km) |
| Grunheide to Tryavna | 853.17 mi (1,373.05 km) |
| Grunheide to Tutrakan | 823.27 mi (1,324.93 km) |
| Grunheide to Varna | 909.33 mi (1,463.43 km) |
