| Holborn to Karlovo | 1,314.14 mi (2,114.91 km) |
| Holborn to Karnobat | 1,404.21 mi (2,259.85 km) |
| Holborn to Kavarna | 1,429.62 mi (2,300.76 km) |
| Holborn to Kazanlak | 1,339.53 mi (2,155.76 km) |
| Holborn to Knezha | 1,249.98 mi (2,011.65 km) |
| Holborn to Kostinbrod | 1,242.29 mi (1,999.27 km) |
| Holborn to Kozloduy | 1,224.47 mi (1,970.59 km) |
| Holborn to Kyustendil | 1,243.48 mi (2,001.19 km) |
| Holborn to Levski | 1,298.55 mi (2,089.82 km) |
| Holborn to Lom | 1,202.41 mi (1,935.09 km) |
| Holborn to Lovech | 1,290.56 mi (2,076.96 km) |
| Holborn to Lukovit | 1,265.34 mi (2,036.36 km) |
| Holborn to Lyaskovets | 1,333.19 mi (2,145.56 km) |
| Holborn to Mezdra | 1,248.25 mi (2,008.86 km) |
| Holborn to Momchilgrad | 1,385.64 mi (2,229.97 km) |
