| Mulheim-Karlich to Smolyan | 1,021.73 mi (1,644.31 km) |
| Mulheim-Karlich to Sofia | 918.02 mi (1,477.41 km) |
| Mulheim-Karlich to Sopot | 975.52 mi (1,569.95 km) |
| Mulheim-Karlich to Sozopol | 1,103.87 mi (1,776.50 km) |
| Mulheim-Karlich to Sredets | 1,086.32 mi (1,748.27 km) |
| Mulheim-Karlich to Stamboliyski | 990.05 mi (1,593.33 km) |
| Mulheim-Karlich to Stara Zagora | 1,020.56 mi (1,642.43 km) |
| Mulheim-Karlich to Svilengrad | 1,071.60 mi (1,724.57 km) |
| Mulheim-Karlich to Svishtov | 959.11 mi (1,543.53 km) |
| Mulheim-Karlich to Targovishte | 1,024.22 mi (1,648.32 km) |
| Mulheim-Karlich to Teteven | 944.88 mi (1,520.64 km) |
| Mulheim-Karlich to Troyan | 964.10 mi (1,551.57 km) |
| Mulheim-Karlich to Tryavna | 996.03 mi (1,602.95 km) |
| Mulheim-Karlich to Tutrakan | 994.58 mi (1,600.62 km) |
| Mulheim-Karlich to Varna | 1,080.59 mi (1,739.04 km) |
