| Middlesex to Kidbrooke | 3,494.70 mi (5,624.18 km) |
| Middlesex to Kidderminster | 3,382.94 mi (5,444.31 km) |
| Middlesex to Kidlington | 3,433.23 mi (5,525.25 km) |
| Middlesex to Kidsgrove | 3,369.55 mi (5,422.77 km) |
| Middlesex to Killamarsh | 3,402.32 mi (5,475.51 km) |
| Middlesex to Killingworth | 3,361.24 mi (5,409.40 km) |
| Middlesex to Kilmarnock | 3,239.55 mi (5,213.55 km) |
| Middlesex to Kilsyth | 3,250.76 mi (5,231.59 km) |
| Middlesex to Kilwinning | 3,231.01 mi (5,199.81 km) |
| Middlesex to King's Lynn | 3,481.71 mi (5,603.26 km) |
| Middlesex to Kings Norton | 3,395.58 mi (5,464.65 km) |
| Middlesex to Kingsnorth | 3,536.53 mi (5,691.50 km) |
| Middlesex to Kingsteignton | 3,364.21 mi (5,414.17 km) |
| Middlesex to Kingston upon Hull | 3,432.61 mi (5,524.25 km) |
| Middlesex to Kingston upon Thames | 3,482.50 mi (5,604.54 km) |
