| Koyulhisar to Montana | 780.59 mi (1,256.23 km) |
| Koyulhisar to Nova Zagora | 630.19 mi (1,014.19 km) |
| Koyulhisar to Novi Iskar | 767.26 mi (1,234.79 km) |
| Koyulhisar to Novi Pazar | 585.82 mi (942.79 km) |
| Koyulhisar to Omurtag | 619.03 mi (996.24 km) |
| Koyulhisar to Panagyurishte | 722.49 mi (1,162.74 km) |
| Koyulhisar to Parvomay | 666.70 mi (1,072.95 km) |
| Koyulhisar to Pavlikeni | 674.99 mi (1,086.29 km) |
| Koyulhisar to Pazardzhik | 712.44 mi (1,146.55 km) |
| Koyulhisar to Pernik | 781.43 mi (1,257.60 km) |
| Koyulhisar to Peshtera | 713.01 mi (1,147.48 km) |
| Koyulhisar to Petrich | 767.07 mi (1,234.47 km) |
| Koyulhisar to Pleven | 711.91 mi (1,145.71 km) |
| Koyulhisar to Plovdiv | 690.85 mi (1,111.82 km) |
| Koyulhisar to Pomorie | 551.28 mi (887.20 km) |
