| Nieder-Olm to Karlovo | 935.32 mi (1,505.26 km) |
| Nieder-Olm to Karnobat | 1,024.12 mi (1,648.16 km) |
| Nieder-Olm to Kavarna | 1,049.68 mi (1,689.30 km) |
| Nieder-Olm to Kazanlak | 960.26 mi (1,545.38 km) |
| Nieder-Olm to Knezha | 870.47 mi (1,400.88 km) |
| Nieder-Olm to Kostinbrod | 864.99 mi (1,392.07 km) |
| Nieder-Olm to Kozloduy | 844.82 mi (1,359.61 km) |
| Nieder-Olm to Kyustendil | 868.66 mi (1,397.98 km) |
| Nieder-Olm to Levski | 918.61 mi (1,478.37 km) |
| Nieder-Olm to Lom | 823.05 mi (1,324.57 km) |
| Nieder-Olm to Lovech | 911.09 mi (1,466.26 km) |
| Nieder-Olm to Lukovit | 886.19 mi (1,426.18 km) |
| Nieder-Olm to Lyaskovets | 953.22 mi (1,534.07 km) |
| Nieder-Olm to Mezdra | 869.62 mi (1,399.52 km) |
| Nieder-Olm to Momchilgrad | 1,008.25 mi (1,622.63 km) |
