| Merchtem to Sofia | 1,063.39 mi (1,711.36 km) |
| Merchtem to Sopot | 1,122.02 mi (1,805.71 km) |
| Merchtem to Sozopol | 1,251.65 mi (2,014.33 km) |
| Merchtem to Sredets | 1,233.87 mi (1,985.73 km) |
| Merchtem to Stamboliyski | 1,135.69 mi (1,827.71 km) |
| Merchtem to Stara Zagora | 1,167.40 mi (1,878.75 km) |
| Merchtem to Svilengrad | 1,218.08 mi (1,960.31 km) |
| Merchtem to Svishtov | 1,106.86 mi (1,781.32 km) |
| Merchtem to Targovishte | 1,172.14 mi (1,886.38 km) |
| Merchtem to Teteven | 1,091.36 mi (1,756.37 km) |
| Merchtem to Troyan | 1,110.85 mi (1,787.74 km) |
| Merchtem to Tryavna | 1,143.22 mi (1,839.83 km) |
| Merchtem to Tutrakan | 1,142.84 mi (1,839.22 km) |
| Merchtem to Varna | 1,228.79 mi (1,977.55 km) |
| Merchtem to Veliki Preslav | 1,185.09 mi (1,907.21 km) |
