| Covilha to Karlovo | 1,670.48 mi (2,688.38 km) |
| Covilha to Karnobat | 1,780.55 mi (2,865.52 km) |
| Covilha to Kavarna | 1,842.46 mi (2,965.15 km) |
| Covilha to Kazanlak | 1,700.65 mi (2,736.93 km) |
| Covilha to Knezha | 1,629.63 mi (2,622.64 km) |
| Covilha to Kostinbrod | 1,589.04 mi (2,557.31 km) |
| Covilha to Kozloduy | 1,611.24 mi (2,593.03 km) |
| Covilha to Kyustendil | 1,564.98 mi (2,518.60 km) |
| Covilha to Levski | 1,682.78 mi (2,708.18 km) |
| Covilha to Lom | 1,586.42 mi (2,553.10 km) |
| Covilha to Lovech | 1,663.06 mi (2,676.43 km) |
| Covilha to Lukovit | 1,635.07 mi (2,631.39 km) |
| Covilha to Lyaskovets | 1,713.50 mi (2,757.61 km) |
| Covilha to Mezdra | 1,611.83 mi (2,593.99 km) |
| Covilha to Momchilgrad | 1,710.60 mi (2,752.94 km) |
