| Hard to Kidderminster | 628.46 mi (1,011.40 km) |
| Hard to Kidlington | 574.36 mi (924.34 km) |
| Hard to Kidsgrove | 652.35 mi (1,049.86 km) |
| Hard to Killamarsh | 628.91 mi (1,012.14 km) |
| Hard to Killingworth | 711.07 mi (1,144.35 km) |
| Hard to Kilmarnock | 825.61 mi (1,328.69 km) |
| Hard to Kilsyth | 828.02 mi (1,332.57 km) |
| Hard to Kilwinning | 833.90 mi (1,342.03 km) |
| Hard to King's Lynn | 548.56 mi (882.82 km) |
| Hard to Kings Norton | 617.13 mi (993.17 km) |
| Hard to Kingsnorth | 469.69 mi (755.90 km) |
| Hard to Kingsteignton | 636.95 mi (1,025.07 km) |
| Hard to Kingston upon Hull | 615.23 mi (990.12 km) |
| Hard to Kingston upon Thames | 523.50 mi (842.48 km) |
| Hard to Kingswinford | 628.95 mi (1,012.20 km) |
