| North Platte to Karlovo | 5,729.26 mi (9,220.36 km) |
| North Platte to Karnobat | 5,797.10 mi (9,329.54 km) |
| North Platte to Kavarna | 5,793.09 mi (9,323.07 km) |
| North Platte to Kazanlak | 5,749.26 mi (9,252.54 km) |
| North Platte to Knezha | 5,660.19 mi (9,109.20 km) |
| North Platte to Kostinbrod | 5,669.54 mi (9,124.25 km) |
| North Platte to Kozloduy | 5,633.97 mi (9,067.00 km) |
| North Platte to Kyustendil | 5,680.91 mi (9,142.55 km) |
| North Platte to Levski | 5,700.08 mi (9,173.39 km) |
| North Platte to Lom | 5,616.13 mi (9,038.30 km) |
| North Platte to Lovech | 5,699.77 mi (9,172.90 km) |
| North Platte to Lukovit | 5,679.01 mi (9,139.48 km) |
| North Platte to Lyaskovets | 5,732.64 mi (9,225.79 km) |
| North Platte to Mezdra | 5,667.00 mi (9,120.16 km) |
| North Platte to Momchilgrad | 5,808.99 mi (9,348.67 km) |
