| Monschau to Smolyan | 1,075.17 mi (1,730.32 km) |
| Monschau to Sofia | 971.65 mi (1,563.72 km) |
| Monschau to Sopot | 1,029.79 mi (1,657.29 km) |
| Monschau to Sozopol | 1,158.95 mi (1,865.15 km) |
| Monschau to Sredets | 1,141.24 mi (1,836.65 km) |
| Monschau to Stamboliyski | 1,043.84 mi (1,679.90 km) |
| Monschau to Stara Zagora | 1,075.03 mi (1,730.10 km) |
| Monschau to Svilengrad | 1,125.87 mi (1,811.91 km) |
| Monschau to Svishtov | 1,014.17 mi (1,632.14 km) |
| Monschau to Targovishte | 1,079.40 mi (1,737.13 km) |
| Monschau to Teteven | 999.14 mi (1,607.96 km) |
| Monschau to Troyan | 1,018.52 mi (1,639.14 km) |
| Monschau to Tryavna | 1,050.71 mi (1,690.96 km) |
| Monschau to Tutrakan | 1,050.08 mi (1,689.94 km) |
| Monschau to Varna | 1,136.02 mi (1,828.25 km) |
