| Horb am Neckar to Montana | 778.57 mi (1,252.98 km) |
| Horb am Neckar to Nova Zagora | 931.94 mi (1,499.82 km) |
| Horb am Neckar to Novi Iskar | 806.74 mi (1,298.32 km) |
| Horb am Neckar to Novi Pazar | 954.09 mi (1,535.46 km) |
| Horb am Neckar to Omurtag | 927.88 mi (1,493.28 km) |
| Horb am Neckar to Panagyurishte | 853.44 mi (1,373.47 km) |
| Horb am Neckar to Parvomay | 912.65 mi (1,468.76 km) |
| Horb am Neckar to Pavlikeni | 875.08 mi (1,408.31 km) |
| Horb am Neckar to Pazardzhik | 871.50 mi (1,402.54 km) |
| Horb am Neckar to Pernik | 801.34 mi (1,289.63 km) |
| Horb am Neckar to Peshtera | 876.77 mi (1,411.02 km) |
| Horb am Neckar to Petrich | 858.92 mi (1,382.29 km) |
| Horb am Neckar to Pleven | 838.86 mi (1,350.01 km) |
| Horb am Neckar to Plovdiv | 890.98 mi (1,433.90 km) |
| Horb am Neckar to Pomorie | 998.89 mi (1,607.57 km) |
