| Guardiagrele to Karlovo | 540.68 mi (870.14 km) |
| Guardiagrele to Karnobat | 651.28 mi (1,048.13 km) |
| Guardiagrele to Kavarna | 719.64 mi (1,158.14 km) |
| Guardiagrele to Kazanlak | 570.83 mi (918.66 km) |
| Guardiagrele to Knezha | 507.48 mi (816.71 km) |
| Guardiagrele to Kostinbrod | 460.16 mi (740.56 km) |
| Guardiagrele to Kozloduy | 492.93 mi (793.30 km) |
| Guardiagrele to Kyustendil | 432.93 mi (696.74 km) |
| Guardiagrele to Levski | 559.00 mi (899.62 km) |
| Guardiagrele to Lom | 469.11 mi (754.96 km) |
| Guardiagrele to Lovech | 537.00 mi (864.22 km) |
| Guardiagrele to Lukovit | 509.63 mi (820.17 km) |
| Guardiagrele to Lyaskovets | 587.24 mi (945.08 km) |
| Guardiagrele to Mezdra | 485.91 mi (782.00 km) |
| Guardiagrele to Momchilgrad | 577.70 mi (929.72 km) |
