| Ashtabula to Karlovo | 4,991.80 mi (8,033.52 km) |
| Ashtabula to Karnobat | 5,074.82 mi (8,167.13 km) |
| Ashtabula to Kavarna | 5,087.63 mi (8,187.75 km) |
| Ashtabula to Kazanlak | 5,015.66 mi (8,071.92 km) |
| Ashtabula to Knezha | 4,925.45 mi (7,926.75 km) |
| Ashtabula to Kostinbrod | 4,922.81 mi (7,922.50 km) |
| Ashtabula to Kozloduy | 4,899.44 mi (7,884.88 km) |
| Ashtabula to Kyustendil | 4,925.87 mi (7,927.43 km) |
| Ashtabula to Levski | 4,971.32 mi (8,000.57 km) |
| Ashtabula to Lom | 4,878.66 mi (7,851.44 km) |
| Ashtabula to Lovech | 4,966.07 mi (7,992.11 km) |
| Ashtabula to Lukovit | 4,942.13 mi (7,953.59 km) |
| Ashtabula to Lyaskovets | 5,005.55 mi (8,055.65 km) |
| Ashtabula to Mezdra | 4,926.51 mi (7,928.45 km) |
| Ashtabula to Momchilgrad | 5,066.00 mi (8,152.93 km) |
