| Harelbeke to Sofia | 1,096.88 mi (1,765.26 km) |
| Harelbeke to Sopot | 1,156.37 mi (1,861.00 km) |
| Harelbeke to Sozopol | 1,287.35 mi (2,071.79 km) |
| Harelbeke to Sredets | 1,269.28 mi (2,042.70 km) |
| Harelbeke to Stamboliyski | 1,169.35 mi (1,881.89 km) |
| Harelbeke to Stara Zagora | 1,202.06 mi (1,934.52 km) |
| Harelbeke to Svilengrad | 1,252.39 mi (2,015.52 km) |
| Harelbeke to Svishtov | 1,142.56 mi (1,838.78 km) |
| Harelbeke to Targovishte | 1,208.08 mi (1,944.22 km) |
| Harelbeke to Teteven | 1,125.71 mi (1,811.66 km) |
| Harelbeke to Troyan | 1,145.44 mi (1,843.40 km) |
| Harelbeke to Tryavna | 1,178.23 mi (1,896.18 km) |
| Harelbeke to Tutrakan | 1,179.53 mi (1,898.27 km) |
| Harelbeke to Varna | 1,265.29 mi (2,036.29 km) |
| Harelbeke to Veliki Preslav | 1,221.06 mi (1,965.10 km) |
