| Roetgen to Smolyan | 1,080.29 mi (1,738.56 km) |
| Roetgen to Sofia | 976.72 mi (1,571.87 km) |
| Roetgen to Sopot | 1,034.66 mi (1,665.13 km) |
| Roetgen to Sozopol | 1,163.47 mi (1,872.43 km) |
| Roetgen to Sredets | 1,145.85 mi (1,844.07 km) |
| Roetgen to Stamboliyski | 1,048.86 mi (1,687.98 km) |
| Roetgen to Stara Zagora | 1,079.83 mi (1,737.81 km) |
| Roetgen to Svilengrad | 1,130.74 mi (1,819.75 km) |
| Roetgen to Svishtov | 1,018.70 mi (1,639.44 km) |
| Roetgen to Targovishte | 1,083.87 mi (1,744.31 km) |
| Roetgen to Teteven | 1,004.01 mi (1,615.80 km) |
| Roetgen to Troyan | 1,023.33 mi (1,646.90 km) |
| Roetgen to Tryavna | 1,055.42 mi (1,698.54 km) |
| Roetgen to Tutrakan | 1,054.31 mi (1,696.75 km) |
| Roetgen to Varna | 1,140.32 mi (1,835.16 km) |
