| Bad Neuenahr-Ahrweiler to Karlovo | 997.95 mi (1,606.05 km) |
| Bad Neuenahr-Ahrweiler to Karnobat | 1,085.39 mi (1,746.77 km) |
| Bad Neuenahr-Ahrweiler to Kavarna | 1,108.98 mi (1,784.73 km) |
| Bad Neuenahr-Ahrweiler to Kazanlak | 1,022.55 mi (1,645.64 km) |
| Bad Neuenahr-Ahrweiler to Knezha | 932.60 mi (1,500.87 km) |
| Bad Neuenahr-Ahrweiler to Kostinbrod | 928.38 mi (1,494.09 km) |
| Bad Neuenahr-Ahrweiler to Kozloduy | 906.83 mi (1,459.40 km) |
| Bad Neuenahr-Ahrweiler to Kyustendil | 932.76 mi (1,501.13 km) |
| Bad Neuenahr-Ahrweiler to Levski | 980.21 mi (1,577.49 km) |
| Bad Neuenahr-Ahrweiler to Lom | 885.34 mi (1,424.81 km) |
| Bad Neuenahr-Ahrweiler to Lovech | 973.24 mi (1,566.28 km) |
| Bad Neuenahr-Ahrweiler to Lukovit | 948.62 mi (1,526.65 km) |
| Bad Neuenahr-Ahrweiler to Lyaskovets | 1,014.76 mi (1,633.10 km) |
| Bad Neuenahr-Ahrweiler to Mezdra | 932.40 mi (1,500.55 km) |
| Bad Neuenahr-Ahrweiler to Momchilgrad | 1,071.54 mi (1,724.48 km) |
