| Upminster to Kidbrooke | 11.60 mi (18.67 km) |
| Upminster to Kidderminster | 120.97 mi (194.68 km) |
| Upminster to Kidlington | 68.59 mi (110.38 km) |
| Upminster to Kidsgrove | 149.44 mi (240.50 km) |
| Upminster to Killamarsh | 138.56 mi (222.99 km) |
| Upminster to Killingworth | 251.48 mi (404.71 km) |
| Upminster to Kilmarnock | 341.04 mi (548.84 km) |
| Upminster to Kilsyth | 352.61 mi (567.47 km) |
| Upminster to Kilwinning | 348.34 mi (560.60 km) |
| Upminster to King's Lynn | 83.03 mi (133.62 km) |
| Upminster to Kings Norton | 109.79 mi (176.69 km) |
| Upminster to Kingsnorth | 40.12 mi (64.56 km) |
| Upminster to Kingsteignton | 181.06 mi (291.39 km) |
| Upminster to Kingston upon Hull | 153.19 mi (246.53 km) |
| Upminster to Kingston upon Thames | 25.74 mi (41.42 km) |
