| Mechernich to Smolyan | 1,061.32 mi (1,708.03 km) |
| Mechernich to Sofia | 957.67 mi (1,541.23 km) |
| Mechernich to Sopot | 1,015.36 mi (1,634.07 km) |
| Mechernich to Sozopol | 1,143.83 mi (1,840.82 km) |
| Mechernich to Sredets | 1,126.28 mi (1,812.57 km) |
| Mechernich to Stamboliyski | 1,029.75 mi (1,657.23 km) |
| Mechernich to Stara Zagora | 1,060.44 mi (1,706.62 km) |
| Mechernich to Svilengrad | 1,111.44 mi (1,788.69 km) |
| Mechernich to Svishtov | 999.07 mi (1,607.85 km) |
| Mechernich to Targovishte | 1,064.18 mi (1,712.63 km) |
| Mechernich to Teteven | 984.72 mi (1,584.75 km) |
| Mechernich to Troyan | 1,003.98 mi (1,615.74 km) |
| Mechernich to Tryavna | 1,035.95 mi (1,667.21 km) |
| Mechernich to Tutrakan | 1,034.48 mi (1,664.84 km) |
| Mechernich to Varna | 1,120.52 mi (1,803.30 km) |
