| Penarth to Wallington | 130.67 mi (210.30 km) |
| Penarth to Wallsend | 255.17 mi (410.65 km) |
| Penarth to Walsall | 94.21 mi (151.61 km) |
| Penarth to Walsall Wood | 98.11 mi (157.89 km) |
| Penarth to Waltham Abbey | 137.31 mi (220.98 km) |
| Penarth to Waltham Cross | 135.90 mi (218.70 km) |
| Penarth to Walthamstow | 135.83 mi (218.60 km) |
| Penarth to Walton upon Thames | 118.84 mi (191.25 km) |
| Penarth to Walton-on-the-Naze | 192.45 mi (309.72 km) |
| Penarth to Wandsworth | 128.25 mi (206.40 km) |
| Penarth to Wanstead | 137.93 mi (221.98 km) |
| Penarth to Wantage | 75.75 mi (121.91 km) |
| Penarth to Ware | 137.18 mi (220.76 km) |
| Penarth to Warfield | 104.79 mi (168.65 km) |
| Penarth to Warminster | 45.45 mi (73.14 km) |
