| Filipstad to Karlovo | 1,262.80 mi (2,032.28 km) |
| Filipstad to Karnobat | 1,299.13 mi (2,090.75 km) |
| Filipstad to Kavarna | 1,272.90 mi (2,048.53 km) |
| Filipstad to Kazanlak | 1,273.73 mi (2,049.87 km) |
| Filipstad to Knezha | 1,195.49 mi (1,923.96 km) |
| Filipstad to Kostinbrod | 1,228.83 mi (1,977.61 km) |
| Filipstad to Kozloduy | 1,171.69 mi (1,885.65 km) |
| Filipstad to Kyustendil | 1,257.75 mi (2,024.16 km) |
| Filipstad to Levski | 1,220.29 mi (1,963.87 km) |
| Filipstad to Lom | 1,161.94 mi (1,869.96 km) |
| Filipstad to Lovech | 1,229.06 mi (1,977.99 km) |
| Filipstad to Lukovit | 1,216.55 mi (1,957.84 km) |
| Filipstad to Lyaskovets | 1,247.18 mi (2,007.13 km) |
| Filipstad to Mezdra | 1,213.20 mi (1,952.46 km) |
| Filipstad to Momchilgrad | 1,345.33 mi (2,165.10 km) |
