| Euclid to Karlovo | 5,032.79 mi (8,099.49 km) |
| Euclid to Karnobat | 5,115.61 mi (8,232.77 km) |
| Euclid to Kavarna | 5,128.16 mi (8,252.98 km) |
| Euclid to Kazanlak | 5,056.60 mi (8,137.81 km) |
| Euclid to Knezha | 4,966.39 mi (7,992.63 km) |
| Euclid to Kostinbrod | 4,963.92 mi (7,988.65 km) |
| Euclid to Kozloduy | 4,940.36 mi (7,950.75 km) |
| Euclid to Kyustendil | 4,967.09 mi (7,993.76 km) |
| Euclid to Levski | 5,012.18 mi (8,066.33 km) |
| Euclid to Lom | 4,919.62 mi (7,917.37 km) |
| Euclid to Lovech | 5,007.00 mi (8,057.99 km) |
| Euclid to Lukovit | 4,983.10 mi (8,019.52 km) |
| Euclid to Lyaskovets | 5,046.39 mi (8,121.38 km) |
| Euclid to Mezdra | 4,967.53 mi (7,994.47 km) |
| Euclid to Momchilgrad | 5,107.08 mi (8,219.06 km) |
