| Heum to Smolyan | 1,363.67 mi (2,194.62 km) |
| Heum to Sofia | 1,265.68 mi (2,036.92 km) |
| Heum to Sopot | 1,296.92 mi (2,087.19 km) |
| Heum to Sozopol | 1,376.12 mi (2,214.66 km) |
| Heum to Sredets | 1,368.74 mi (2,202.77 km) |
| Heum to Stamboliyski | 1,325.31 mi (2,132.88 km) |
| Heum to Stara Zagora | 1,329.39 mi (2,139.45 km) |
| Heum to Svilengrad | 1,383.01 mi (2,225.74 km) |
| Heum to Svishtov | 1,248.97 mi (2,010.02 km) |
| Heum to Targovishte | 1,299.14 mi (2,090.76 km) |
| Heum to Teteven | 1,270.21 mi (2,044.21 km) |
| Heum to Troyan | 1,281.50 mi (2,062.38 km) |
| Heum to Tryavna | 1,299.00 mi (2,090.54 km) |
| Heum to Tutrakan | 1,250.85 mi (2,013.05 km) |
| Heum to Varna | 1,332.32 mi (2,144.17 km) |
