| Nicholasville to Karlovo | 5,326.17 mi (8,571.65 km) |
| Nicholasville to Karnobat | 5,410.34 mi (8,707.10 km) |
| Nicholasville to Kavarna | 5,424.36 mi (8,729.66 km) |
| Nicholasville to Kazanlak | 5,350.34 mi (8,610.53 km) |
| Nicholasville to Knezha | 5,260.18 mi (8,465.45 km) |
| Nicholasville to Kostinbrod | 5,256.45 mi (8,459.44 km) |
| Nicholasville to Kozloduy | 5,234.23 mi (8,423.68 km) |
| Nicholasville to Kyustendil | 5,258.68 mi (8,463.02 km) |
| Nicholasville to Levski | 5,306.49 mi (8,539.96 km) |
| Nicholasville to Lom | 5,213.23 mi (8,389.88 km) |
| Nicholasville to Lovech | 5,300.82 mi (8,530.85 km) |
| Nicholasville to Lukovit | 5,276.64 mi (8,491.94 km) |
| Nicholasville to Lyaskovets | 5,340.79 mi (8,595.17 km) |
| Nicholasville to Mezdra | 5,260.73 mi (8,466.32 km) |
| Nicholasville to Momchilgrad | 5,399.74 mi (8,690.03 km) |
