| Guilherand to Devnya | 1,128.90 mi (1,816.79 km) |
| Guilherand to Dimitrovgrad | 1,054.75 mi (1,697.45 km) |
| Guilherand to Dobrich | 1,136.35 mi (1,828.78 km) |
| Guilherand to Dospat | 993.81 mi (1,599.38 km) |
| Guilherand to Dupnitsa | 929.18 mi (1,495.37 km) |
| Guilherand to Elhovo | 1,099.52 mi (1,769.51 km) |
| Guilherand to Etropole | 961.11 mi (1,546.75 km) |
| Guilherand to Gabrovo | 1,025.70 mi (1,650.70 km) |
| Guilherand to Gorna Oryahovitsa | 1,039.01 mi (1,672.12 km) |
| Guilherand to Gotse Delchev | 974.72 mi (1,568.66 km) |
| Guilherand to Harmanli | 1,071.90 mi (1,725.05 km) |
| Guilherand to Haskovo | 1,055.63 mi (1,698.87 km) |
| Guilherand to Ihtiman | 959.69 mi (1,544.47 km) |
| Guilherand to Isperih | 1,085.29 mi (1,746.61 km) |
| Guilherand to Kardzhali | 1,052.20 mi (1,693.36 km) |
