| Cities | Distance |
|---|---|
| Koyulhisar to Popovo | 632.41 mi (1,017.77 km) |
| Koyulhisar to Provadia | 571.21 mi (919.28 km) |
| Koyulhisar to Radnevo | 632.15 mi (1,017.35 km) |
| Koyulhisar to Radomir | 785.25 mi (1,263.74 km) |
| Koyulhisar to Rakitovo | 723.80 mi (1,164.85 km) |
| Koyulhisar to Rakovski | 681.03 mi (1,096.01 km) |
| Koyulhisar to Razgrad | 622.32 mi (1,001.52 km) |
| Koyulhisar to Razlog | 754.93 mi (1,214.94 km) |
| Koyulhisar to Ruse | 655.14 mi (1,054.35 km) |
| Koyulhisar to Samokov | 752.98 mi (1,211.81 km) |
| Koyulhisar to Sandanski | 763.43 mi (1,228.62 km) |
| Koyulhisar to Sevlievo | 682.01 mi (1,097.59 km) |
| Koyulhisar to Shumen | 597.31 mi (961.28 km) |
| Koyulhisar to Silistra | 601.01 mi (967.24 km) |
| Koyulhisar to Sliven | 616.72 mi (992.51 km) |