| North Decatur to Karlovo | 5,514.11 mi (8,874.10 km) |
| North Decatur to Karnobat | 5,602.02 mi (9,015.57 km) |
| North Decatur to Kavarna | 5,620.58 mi (9,045.45 km) |
| North Decatur to Kazanlak | 5,539.22 mi (8,914.51 km) |
| North Decatur to Knezha | 5,449.41 mi (8,769.97 km) |
| North Decatur to Kostinbrod | 5,442.17 mi (8,758.32 km) |
| North Decatur to Kozloduy | 5,423.71 mi (8,728.61 km) |
| North Decatur to Kyustendil | 5,441.86 mi (8,757.83 km) |
| North Decatur to Levski | 5,497.09 mi (8,846.71 km) |
| North Decatur to Lom | 5,402.01 mi (8,693.70 km) |
| North Decatur to Lovech | 5,490.04 mi (8,835.37 km) |
| North Decatur to Lukovit | 5,465.12 mi (8,795.26 km) |
| North Decatur to Lyaskovets | 5,531.61 mi (8,902.27 km) |
| North Decatur to Mezdra | 5,448.27 mi (8,768.14 km) |
| North Decatur to Momchilgrad | 5,585.48 mi (8,988.97 km) |
