| Heusden to Smolyan | 1,154.58 mi (1,858.12 km) |
| Heusden to Sofia | 1,050.60 mi (1,690.78 km) |
| Heusden to Sopot | 1,106.65 mi (1,780.97 km) |
| Heusden to Sozopol | 1,231.93 mi (1,982.59 km) |
| Heusden to Sredets | 1,215.14 mi (1,955.57 km) |
| Heusden to Stamboliyski | 1,122.28 mi (1,806.13 km) |
| Heusden to Stara Zagora | 1,151.05 mi (1,852.43 km) |
| Heusden to Svilengrad | 1,202.66 mi (1,935.49 km) |
| Heusden to Svishtov | 1,087.42 mi (1,750.03 km) |
| Heusden to Targovishte | 1,151.80 mi (1,853.64 km) |
| Heusden to Teteven | 1,076.06 mi (1,731.75 km) |
| Heusden to Troyan | 1,094.82 mi (1,761.95 km) |
| Heusden to Tryavna | 1,125.84 mi (1,811.87 km) |
| Heusden to Tutrakan | 1,120.01 mi (1,802.48 km) |
| Heusden to Varna | 1,206.49 mi (1,941.66 km) |
