| Horbury to Devnya | 1,502.47 mi (2,417.99 km) |
| Horbury to Dimitrovgrad | 1,478.83 mi (2,379.95 km) |
| Horbury to Dobrich | 1,497.90 mi (2,410.64 km) |
| Horbury to Dospat | 1,443.73 mi (2,323.46 km) |
| Horbury to Dupnitsa | 1,375.43 mi (2,213.54 km) |
| Horbury to Elhovo | 1,510.41 mi (2,430.77 km) |
| Horbury to Etropole | 1,381.97 mi (2,224.06 km) |
| Horbury to Gabrovo | 1,431.28 mi (2,303.43 km) |
| Horbury to Gorna Oryahovitsa | 1,433.47 mi (2,306.95 km) |
| Horbury to Gotse Delchev | 1,431.65 mi (2,304.02 km) |
| Horbury to Harmanli | 1,495.66 mi (2,407.03 km) |
| Horbury to Haskovo | 1,482.99 mi (2,386.65 km) |
| Horbury to Ihtiman | 1,393.38 mi (2,242.43 km) |
| Horbury to Isperih | 1,452.18 mi (2,337.05 km) |
| Horbury to Kardzhali | 1,488.71 mi (2,395.84 km) |
