| Mersch to Smolyan | 1,056.25 mi (1,699.88 km) |
| Mersch to Sofia | 953.56 mi (1,534.61 km) |
| Mersch to Sopot | 1,013.96 mi (1,631.81 km) |
| Mersch to Sozopol | 1,146.94 mi (1,845.82 km) |
| Mersch to Sredets | 1,128.33 mi (1,815.87 km) |
| Mersch to Stamboliyski | 1,026.15 mi (1,651.43 km) |
| Mersch to Stara Zagora | 1,060.01 mi (1,705.92 km) |
| Mersch to Svilengrad | 1,109.86 mi (1,786.15 km) |
| Mersch to Svishtov | 1,002.25 mi (1,612.97 km) |
| Mersch to Targovishte | 1,068.18 mi (1,719.08 km) |
| Mersch to Teteven | 983.31 mi (1,582.48 km) |
| Mersch to Troyan | 1,003.33 mi (1,614.70 km) |
| Mersch to Tryavna | 1,036.72 mi (1,668.44 km) |
| Mersch to Tutrakan | 1,041.38 mi (1,675.94 km) |
| Mersch to Varna | 1,126.57 mi (1,813.04 km) |
