| Harmanli to Devnya | 122.69 mi (197.45 km) |
| Harmanli to Dimitrovgrad | 17.39 mi (27.98 km) |
| Harmanli to Dobrich | 149.52 mi (240.63 km) |
| Harmanli to Dospat | 91.41 mi (147.11 km) |
| Harmanli to Dupnitsa | 144.42 mi (232.42 km) |
| Harmanli to Elhovo | 37.82 mi (60.86 km) |
| Harmanli to Etropole | 115.19 mi (185.38 km) |
| Harmanli to Gabrovo | 70.68 mi (113.74 km) |
| Harmanli to Gorna Oryahovitsa | 83.53 mi (134.44 km) |
| Harmanli to Gotse Delchev | 114.52 mi (184.30 km) |
| Harmanli to Haskovo | 17.13 mi (27.57 km) |
| Harmanli to Ihtiman | 112.21 mi (180.59 km) |
| Harmanli to Isperih | 131.98 mi (212.41 km) |
| Harmanli to Kardzhali | 33.73 mi (54.29 km) |
| Harmanli to Karlovo | 74.35 mi (119.66 km) |
