| Richterich to Karlovo | 1,047.31 mi (1,685.48 km) |
| Richterich to Karnobat | 1,134.88 mi (1,826.41 km) |
| Richterich to Kavarna | 1,158.35 mi (1,864.19 km) |
| Richterich to Kazanlak | 1,071.96 mi (1,725.16 km) |
| Richterich to Knezha | 982.03 mi (1,580.42 km) |
| Richterich to Kostinbrod | 977.53 mi (1,573.19 km) |
| Richterich to Kozloduy | 956.27 mi (1,538.97 km) |
| Richterich to Kyustendil | 981.57 mi (1,579.69 km) |
| Richterich to Levski | 1,029.68 mi (1,657.11 km) |
| Richterich to Lom | 934.75 mi (1,504.33 km) |
| Richterich to Lovech | 1,022.67 mi (1,645.83 km) |
| Richterich to Lukovit | 998.01 mi (1,606.13 km) |
| Richterich to Lyaskovets | 1,064.24 mi (1,712.73 km) |
| Richterich to Mezdra | 981.72 mi (1,579.93 km) |
| Richterich to Momchilgrad | 1,120.74 mi (1,803.65 km) |
