| Roubaix to Karlovo | 1,160.29 mi (1,867.31 km) |
| Roubaix to Karnobat | 1,250.93 mi (2,013.18 km) |
| Roubaix to Kavarna | 1,277.63 mi (2,056.14 km) |
| Roubaix to Kazanlak | 1,185.79 mi (1,908.35 km) |
| Roubaix to Knezha | 1,096.34 mi (1,764.39 km) |
| Roubaix to Kostinbrod | 1,088.28 mi (1,751.42 km) |
| Roubaix to Kozloduy | 1,070.89 mi (1,723.43 km) |
| Roubaix to Kyustendil | 1,089.50 mi (1,753.39 km) |
| Roubaix to Levski | 1,145.14 mi (1,842.93 km) |
| Roubaix to Lom | 1,048.72 mi (1,687.75 km) |
| Roubaix to Lovech | 1,136.90 mi (1,829.66 km) |
| Roubaix to Lukovit | 1,111.57 mi (1,788.90 km) |
| Roubaix to Lyaskovets | 1,179.79 mi (1,898.70 km) |
| Roubaix to Mezdra | 1,094.37 mi (1,761.23 km) |
| Roubaix to Momchilgrad | 1,231.63 mi (1,982.12 km) |
