| Penarth to Kidbrooke | 137.69 mi (221.59 km) |
| Penarth to Kidderminster | 76.99 mi (123.90 km) |
| Penarth to Kidlington | 85.04 mi (136.86 km) |
| Penarth to Kidsgrove | 120.97 mi (194.69 km) |
| Penarth to Killamarsh | 152.32 mi (245.14 km) |
| Penarth to Killingworth | 257.64 mi (414.64 km) |
| Penarth to Kilmarnock | 293.96 mi (473.08 km) |
| Penarth to Kilsyth | 316.47 mi (509.31 km) |
| Penarth to Kilwinning | 298.61 mi (480.56 km) |
| Penarth to King's Lynn | 176.92 mi (284.72 km) |
| Penarth to Kings Norton | 85.81 mi (138.10 km) |
| Penarth to Kingsnorth | 175.57 mi (282.55 km) |
| Penarth to Kingsteignton | 63.84 mi (102.74 km) |
| Penarth to Kingston upon Hull | 199.36 mi (320.84 km) |
| Penarth to Kingston upon Thames | 123.68 mi (199.04 km) |
