| Neunkirchen to Karlovo | 961.91 mi (1,548.04 km) |
| Neunkirchen to Karnobat | 1,054.15 mi (1,696.49 km) |
| Neunkirchen to Kavarna | 1,083.80 mi (1,744.21 km) |
| Neunkirchen to Kazanlak | 987.76 mi (1,589.65 km) |
| Neunkirchen to Knezha | 898.65 mi (1,446.24 km) |
| Neunkirchen to Kostinbrod | 889.20 mi (1,431.03 km) |
| Neunkirchen to Kozloduy | 873.40 mi (1,405.60 km) |
| Neunkirchen to Kyustendil | 889.94 mi (1,432.22 km) |
| Neunkirchen to Levski | 948.08 mi (1,525.79 km) |
| Neunkirchen to Lom | 850.90 mi (1,369.40 km) |
| Neunkirchen to Lovech | 939.12 mi (1,511.37 km) |
| Neunkirchen to Lukovit | 913.49 mi (1,470.11 km) |
| Neunkirchen to Lyaskovets | 982.75 mi (1,581.59 km) |
| Neunkirchen to Mezdra | 895.91 mi (1,441.82 km) |
| Neunkirchen to Momchilgrad | 1,032.52 mi (1,661.68 km) |
