| Hereford to Karlovo | 1,431.32 mi (2,303.49 km) |
| Hereford to Karnobat | 1,521.13 mi (2,448.02 km) |
| Hereford to Kavarna | 1,545.87 mi (2,487.83 km) |
| Hereford to Kazanlak | 1,456.66 mi (2,344.28 km) |
| Hereford to Knezha | 1,367.08 mi (2,200.10 km) |
| Hereford to Kostinbrod | 1,359.50 mi (2,187.90 km) |
| Hereford to Kozloduy | 1,341.54 mi (2,159.00 km) |
| Hereford to Kyustendil | 1,360.59 mi (2,189.66 km) |
| Hereford to Levski | 1,415.54 mi (2,278.10 km) |
| Hereford to Lom | 1,319.53 mi (2,123.57 km) |
| Hereford to Lovech | 1,407.67 mi (2,265.42 km) |
| Hereford to Lukovit | 1,382.48 mi (2,224.89 km) |
| Hereford to Lyaskovets | 1,450.17 mi (2,333.82 km) |
| Hereford to Mezdra | 1,365.44 mi (2,197.46 km) |
| Hereford to Momchilgrad | 1,502.85 mi (2,418.60 km) |
