| Castelleone to Montana | 676.87 mi (1,089.32 km) |
| Castelleone to Nova Zagora | 830.58 mi (1,336.69 km) |
| Castelleone to Novi Iskar | 695.60 mi (1,119.46 km) |
| Castelleone to Novi Pazar | 870.67 mi (1,401.21 km) |
| Castelleone to Omurtag | 837.32 mi (1,347.53 km) |
| Castelleone to Panagyurishte | 742.44 mi (1,194.83 km) |
| Castelleone to Parvomay | 801.59 mi (1,290.04 km) |
| Castelleone to Pavlikeni | 781.54 mi (1,257.77 km) |
| Castelleone to Pazardzhik | 756.92 mi (1,218.15 km) |
| Castelleone to Pernik | 685.10 mi (1,102.56 km) |
| Castelleone to Peshtera | 759.61 mi (1,222.47 km) |
| Castelleone to Petrich | 726.26 mi (1,168.80 km) |
| Castelleone to Pleven | 744.52 mi (1,198.19 km) |
| Castelleone to Plovdiv | 778.05 mi (1,252.16 km) |
| Castelleone to Pomorie | 906.23 mi (1,458.44 km) |
