| Mountain Ash to Kidbrooke | 147.06 mi (236.67 km) |
| Mountain Ash to Kidderminster | 68.52 mi (110.27 km) |
| Mountain Ash to Kidlington | 89.85 mi (144.60 km) |
| Mountain Ash to Kidsgrove | 108.23 mi (174.17 km) |
| Mountain Ash to Killamarsh | 142.78 mi (229.78 km) |
| Mountain Ash to Killingworth | 243.38 mi (391.67 km) |
| Mountain Ash to Kilmarnock | 275.33 mi (443.10 km) |
| Mountain Ash to Kilsyth | 298.30 mi (480.06 km) |
| Mountain Ash to Kilwinning | 279.83 mi (450.35 km) |
| Mountain Ash to King's Lynn | 176.20 mi (283.57 km) |
| Mountain Ash to Kings Norton | 79.51 mi (127.96 km) |
| Mountain Ash to Kingsnorth | 186.87 mi (300.74 km) |
| Mountain Ash to Kingsteignton | 79.02 mi (127.18 km) |
| Mountain Ash to Kingston upon Hull | 191.23 mi (307.75 km) |
| Mountain Ash to Kingston upon Thames | 133.64 mi (215.07 km) |
