| Cloppenburg to Karlovo | 1,045.75 mi (1,682.97 km) |
| Cloppenburg to Karnobat | 1,121.97 mi (1,805.63 km) |
| Cloppenburg to Kavarna | 1,132.90 mi (1,823.22 km) |
| Cloppenburg to Kazanlak | 1,067.36 mi (1,717.75 km) |
| Cloppenburg to Knezha | 977.42 mi (1,573.01 km) |
| Cloppenburg to Kostinbrod | 983.84 mi (1,583.33 km) |
| Cloppenburg to Kozloduy | 951.17 mi (1,530.76 km) |
| Cloppenburg to Kyustendil | 995.48 mi (1,602.07 km) |
| Cloppenburg to Levski | 1,020.41 mi (1,642.19 km) |
| Cloppenburg to Lom | 932.17 mi (1,500.18 km) |
| Cloppenburg to Lovech | 1,017.61 mi (1,637.69 km) |
| Cloppenburg to Lukovit | 995.50 mi (1,602.10 km) |
| Cloppenburg to Lyaskovets | 1,054.08 mi (1,696.38 km) |
| Cloppenburg to Mezdra | 982.34 mi (1,580.93 km) |
| Cloppenburg to Momchilgrad | 1,124.18 mi (1,809.20 km) |
