| Kostinbrod to Nova Zagora | 143.93 mi (231.63 km) |
| Kostinbrod to Novi Iskar | 6.85 mi (11.03 km) |
| Kostinbrod to Novi Pazar | 204.34 mi (328.85 km) |
| Kostinbrod to Omurtag | 163.00 mi (262.32 km) |
| Kostinbrod to Panagyurishte | 53.77 mi (86.53 km) |
| Kostinbrod to Parvomay | 113.34 mi (182.40 km) |
| Kostinbrod to Pavlikeni | 110.32 mi (177.53 km) |
| Kostinbrod to Pazardzhik | 71.06 mi (114.37 km) |
| Kostinbrod to Pernik | 17.63 mi (28.38 km) |
| Kostinbrod to Peshtera | 77.34 mi (124.47 km) |
| Kostinbrod to Petrich | 98.21 mi (158.05 km) |
| Kostinbrod to Pleven | 81.73 mi (131.53 km) |
| Kostinbrod to Plovdiv | 90.70 mi (145.96 km) |
| Kostinbrod to Pomorie | 224.08 mi (360.62 km) |
| Kostinbrod to Popovo | 156.61 mi (252.04 km) |
