| Merksem to Sofia | 1,063.52 mi (1,711.57 km) |
| Merksem to Sopot | 1,121.31 mi (1,804.58 km) |
| Merksem to Sozopol | 1,249.52 mi (2,010.91 km) |
| Merksem to Sredets | 1,232.08 mi (1,982.84 km) |
| Merksem to Stamboliyski | 1,135.64 mi (1,827.64 km) |
| Merksem to Stara Zagora | 1,166.38 mi (1,877.11 km) |
| Merksem to Svilengrad | 1,217.39 mi (1,959.20 km) |
| Merksem to Svishtov | 1,104.78 mi (1,777.98 km) |
| Merksem to Targovishte | 1,169.78 mi (1,882.58 km) |
| Merksem to Teteven | 1,090.67 mi (1,755.26 km) |
| Merksem to Troyan | 1,109.92 mi (1,786.24 km) |
| Merksem to Tryavna | 1,141.85 mi (1,837.63 km) |
| Merksem to Tutrakan | 1,139.62 mi (1,834.04 km) |
| Merksem to Varna | 1,225.78 mi (1,972.71 km) |
| Merksem to Veliki Preslav | 1,182.69 mi (1,903.36 km) |
