| Covina to Karlovo | 6,634.08 mi (10,676.52 km) |
| Covina to Karnobat | 6,689.17 mi (10,765.17 km) |
| Covina to Kavarna | 6,672.60 mi (10,738.51 km) |
| Covina to Kazanlak | 6,650.80 mi (10,703.43 km) |
| Covina to Knezha | 6,564.55 mi (10,564.62 km) |
| Covina to Kostinbrod | 6,582.36 mi (10,593.29 km) |
| Covina to Kozloduy | 6,538.76 mi (10,523.12 km) |
| Covina to Kyustendil | 6,599.46 mi (10,620.80 km) |
| Covina to Levski | 6,599.17 mi (10,620.34 km) |
| Covina to Lom | 6,523.44 mi (10,498.47 km) |
| Covina to Lovech | 6,602.49 mi (10,625.68 km) |
| Covina to Lukovit | 6,584.50 mi (10,596.73 km) |
| Covina to Lyaskovets | 6,629.76 mi (10,669.57 km) |
| Covina to Mezdra | 6,575.38 mi (10,582.04 km) |
| Covina to Momchilgrad | 6,716.12 mi (10,808.55 km) |
