| Hemel Hempstead to Kidderminster | 87.43 mi (140.70 km) |
| Hemel Hempstead to Kidlington | 35.46 mi (57.06 km) |
| Hemel Hempstead to Kidsgrove | 118.83 mi (191.24 km) |
| Hemel Hempstead to Killamarsh | 113.97 mi (183.41 km) |
| Hemel Hempstead to Killingworth | 230.94 mi (371.67 km) |
| Hemel Hempstead to Kilmarnock | 313.29 mi (504.19 km) |
| Hemel Hempstead to Kilsyth | 326.57 mi (525.56 km) |
| Hemel Hempstead to Kilwinning | 320.31 mi (515.50 km) |
| Hemel Hempstead to King's Lynn | 78.31 mi (126.03 km) |
| Hemel Hempstead to Kings Norton | 76.67 mi (123.39 km) |
| Hemel Hempstead to Kingsnorth | 72.17 mi (116.15 km) |
| Hemel Hempstead to Kingsteignton | 159.10 mi (256.05 km) |
| Hemel Hempstead to Kingston upon Hull | 137.74 mi (221.67 km) |
| Hemel Hempstead to Kingston upon Thames | 24.75 mi (39.83 km) |
| Hemel Hempstead to Kingswinford | 88.49 mi (142.42 km) |
