| Guardiagrele to Devnya | 680.69 mi (1,095.46 km) |
| Guardiagrele to Dimitrovgrad | 583.00 mi (938.25 km) |
| Guardiagrele to Dobrich | 695.01 mi (1,118.51 km) |
| Guardiagrele to Dospat | 512.61 mi (824.97 km) |
| Guardiagrele to Dupnitsa | 455.22 mi (732.60 km) |
| Guardiagrele to Elhovo | 631.75 mi (1,016.70 km) |
| Guardiagrele to Etropole | 499.87 mi (804.46 km) |
| Guardiagrele to Gabrovo | 567.44 mi (913.21 km) |
| Guardiagrele to Gorna Oryahovitsa | 586.49 mi (943.87 km) |
| Guardiagrele to Gotse Delchev | 491.23 mi (790.56 km) |
| Guardiagrele to Harmanli | 599.08 mi (964.13 km) |
| Guardiagrele to Haskovo | 582.03 mi (936.69 km) |
| Guardiagrele to Ihtiman | 490.45 mi (789.30 km) |
| Guardiagrele to Isperih | 645.86 mi (1,039.41 km) |
| Guardiagrele to Kardzhali | 574.03 mi (923.82 km) |
