| Roetgen to Karlovo | 1,037.21 mi (1,669.22 km) |
| Roetgen to Karnobat | 1,125.26 mi (1,810.93 km) |
| Roetgen to Kavarna | 1,149.36 mi (1,849.71 km) |
| Roetgen to Kazanlak | 1,061.98 mi (1,709.10 km) |
| Roetgen to Knezha | 972.10 mi (1,564.45 km) |
| Roetgen to Kostinbrod | 967.13 mi (1,556.45 km) |
| Roetgen to Kozloduy | 946.39 mi (1,523.07 km) |
| Roetgen to Kyustendil | 970.85 mi (1,562.44 km) |
| Roetgen to Levski | 1,019.95 mi (1,641.45 km) |
| Roetgen to Lom | 924.76 mi (1,488.26 km) |
| Roetgen to Lovech | 1,012.74 mi (1,629.85 km) |
| Roetgen to Lukovit | 987.98 mi (1,590.00 km) |
| Roetgen to Lyaskovets | 1,054.53 mi (1,697.10 km) |
| Roetgen to Mezdra | 971.56 mi (1,563.58 km) |
| Roetgen to Momchilgrad | 1,110.37 mi (1,786.97 km) |
