| Genk to Sofia | 1,013.83 mi (1,631.60 km) |
| Genk to Sopot | 1,071.51 mi (1,724.43 km) |
| Genk to Sozopol | 1,199.73 mi (1,930.78 km) |
| Genk to Sredets | 1,182.26 mi (1,902.66 km) |
| Genk to Stamboliyski | 1,085.92 mi (1,747.62 km) |
| Genk to Stara Zagora | 1,116.56 mi (1,796.94 km) |
| Genk to Svilengrad | 1,167.59 mi (1,879.05 km) |
| Genk to Svishtov | 1,054.98 mi (1,697.83 km) |
| Genk to Targovishte | 1,120.01 mi (1,802.48 km) |
| Genk to Teteven | 1,040.87 mi (1,675.12 km) |
| Genk to Troyan | 1,060.11 mi (1,706.08 km) |
| Genk to Tryavna | 1,092.02 mi (1,757.44 km) |
| Genk to Tutrakan | 1,089.99 mi (1,754.17 km) |
| Genk to Varna | 1,176.11 mi (1,892.77 km) |
| Genk to Veliki Preslav | 1,132.92 mi (1,823.26 km) |
