| Porta Westfalica to Karlovo | 990.08 mi (1,593.37 km) |
| Porta Westfalica to Karnobat | 1,067.52 mi (1,718.01 km) |
| Porta Westfalica to Kavarna | 1,080.07 mi (1,738.21 km) |
| Porta Westfalica to Kazanlak | 1,011.99 mi (1,628.64 km) |
| Porta Westfalica to Knezha | 921.95 mi (1,483.73 km) |
| Porta Westfalica to Kostinbrod | 927.50 mi (1,492.66 km) |
| Porta Westfalica to Kozloduy | 895.71 mi (1,441.51 km) |
| Porta Westfalica to Kyustendil | 938.69 mi (1,510.68 km) |
| Porta Westfalica to Levski | 965.45 mi (1,553.73 km) |
| Porta Westfalica to Lom | 876.46 mi (1,410.53 km) |
| Porta Westfalica to Lovech | 962.23 mi (1,548.56 km) |
| Porta Westfalica to Lukovit | 939.85 mi (1,512.55 km) |
| Porta Westfalica to Lyaskovets | 999.25 mi (1,608.14 km) |
| Porta Westfalica to Mezdra | 926.42 mi (1,490.93 km) |
| Porta Westfalica to Momchilgrad | 1,068.17 mi (1,719.05 km) |
