| Heek to Devnya | 1,127.56 mi (1,814.63 km) |
| Heek to Dimitrovgrad | 1,108.66 mi (1,784.21 km) |
| Heek to Dobrich | 1,122.46 mi (1,806.43 km) |
| Heek to Dospat | 1,077.97 mi (1,734.83 km) |
| Heek to Dupnitsa | 1,010.33 mi (1,625.97 km) |
| Heek to Elhovo | 1,138.35 mi (1,832.01 km) |
| Heek to Etropole | 1,012.75 mi (1,629.87 km) |
| Heek to Gabrovo | 1,059.52 mi (1,705.13 km) |
| Heek to Gorna Oryahovitsa | 1,060.58 mi (1,706.84 km) |
| Heek to Gotse Delchev | 1,067.38 mi (1,717.78 km) |
| Heek to Harmanli | 1,125.24 mi (1,810.90 km) |
| Heek to Haskovo | 1,113.19 mi (1,791.50 km) |
| Heek to Ihtiman | 1,025.85 mi (1,650.94 km) |
| Heek to Isperih | 1,077.19 mi (1,733.56 km) |
| Heek to Kardzhali | 1,120.10 mi (1,802.62 km) |
