| Grottaferrata to Karlovo | 623.26 mi (1,003.04 km) |
| Grottaferrata to Karnobat | 733.85 mi (1,181.02 km) |
| Grottaferrata to Kavarna | 803.25 mi (1,292.70 km) |
| Grottaferrata to Kazanlak | 653.35 mi (1,051.47 km) |
| Grottaferrata to Knezha | 591.40 mi (951.77 km) |
| Grottaferrata to Kostinbrod | 543.16 mi (874.14 km) |
| Grottaferrata to Kozloduy | 577.11 mi (928.76 km) |
| Grottaferrata to Kyustendil | 514.61 mi (828.18 km) |
| Grottaferrata to Levski | 642.69 mi (1,034.32 km) |
| Grottaferrata to Lom | 553.33 mi (890.50 km) |
| Grottaferrata to Lovech | 620.43 mi (998.49 km) |
| Grottaferrata to Lukovit | 593.19 mi (954.65 km) |
| Grottaferrata to Lyaskovets | 670.56 mi (1,079.17 km) |
| Grottaferrata to Mezdra | 569.45 mi (916.44 km) |
| Grottaferrata to Momchilgrad | 657.52 mi (1,058.18 km) |
