| Hertford to Kelkheim (Taunus) | 388.07 mi (624.53 km) |
| Hertford to Kelsterbach | 393.30 mi (632.96 km) |
| Hertford to Kemberg | 542.53 mi (873.12 km) |
| Hertford to Kempen | 280.43 mi (451.31 km) |
| Hertford to Kempten | 541.47 mi (871.41 km) |
| Hertford to Kenzingen | 427.97 mi (688.75 km) |
| Hertford to Kerpen | 299.18 mi (481.48 km) |
| Hertford to Ketsch | 413.11 mi (664.83 km) |
| Hertford to Kevelaer | 271.33 mi (436.66 km) |
| Hertford to Kiel | 458.22 mi (737.44 km) |
| Hertford to Kierspe | 332.06 mi (534.39 km) |
| Hertford to Kirchhain | 394.08 mi (634.21 km) |
| Hertford to Kirchheim bei Munchen | 581.24 mi (935.41 km) |
| Hertford to Kirchheim unter Teck | 473.57 mi (762.13 km) |
| Hertford to Kirchhundem | 354.49 mi (570.50 km) |
