| London Colney to Kidbrooke | 23.02 mi (37.04 km) |
| London Colney to Kidderminster | 94.61 mi (152.25 km) |
| London Colney to Kidlington | 42.89 mi (69.03 km) |
| London Colney to Kidsgrove | 124.84 mi (200.92 km) |
| London Colney to Killamarsh | 118.09 mi (190.05 km) |
| London Colney to Killingworth | 234.19 mi (376.89 km) |
| London Colney to Kilmarnock | 318.55 mi (512.65 km) |
| London Colney to Kilsyth | 331.36 mi (533.26 km) |
| London Colney to Kilwinning | 325.66 mi (524.09 km) |
| London Colney to King's Lynn | 76.92 mi (123.79 km) |
| London Colney to Kings Norton | 83.62 mi (134.57 km) |
| London Colney to Kingsnorth | 65.35 mi (105.16 km) |
| London Colney to Kingsteignton | 164.51 mi (264.75 km) |
| London Colney to Kingston upon Hull | 139.46 mi (224.45 km) |
| London Colney to Kingston upon Thames | 21.81 mi (35.10 km) |
