| Norco to Karlovo | 6,635.71 mi (10,679.14 km) |
| Norco to Karnobat | 6,691.33 mi (10,768.66 km) |
| Norco to Kavarna | 6,675.25 mi (10,742.78 km) |
| Norco to Kazanlak | 6,652.57 mi (10,706.27 km) |
| Norco to Knezha | 6,566.17 mi (10,567.23 km) |
| Norco to Kostinbrod | 6,583.64 mi (10,595.34 km) |
| Norco to Kozloduy | 6,540.36 mi (10,525.69 km) |
| Norco to Kyustendil | 6,600.49 mi (10,622.47 km) |
| Norco to Levski | 6,601.02 mi (10,623.32 km) |
| Norco to Lom | 6,524.93 mi (10,500.86 km) |
| Norco to Lovech | 6,604.20 mi (10,628.43 km) |
| Norco to Lukovit | 6,586.08 mi (10,599.28 km) |
| Norco to Lyaskovets | 6,631.70 mi (10,672.70 km) |
| Norco to Mezdra | 6,576.84 mi (10,584.39 km) |
| Norco to Momchilgrad | 6,717.68 mi (10,811.06 km) |
