| Difficult Run to Wallingford | 3,634.85 mi (5,849.72 km) |
| Difficult Run to Wallington | 3,680.16 mi (5,922.64 km) |
| Difficult Run to Wallsend | 3,551.89 mi (5,716.21 km) |
| Difficult Run to Walsall | 3,580.03 mi (5,761.50 km) |
| Difficult Run to Walsall Wood | 3,581.09 mi (5,763.20 km) |
| Difficult Run to Waltham Abbey | 3,678.81 mi (5,920.48 km) |
| Difficult Run to Waltham Cross | 3,677.42 mi (5,918.24 km) |
| Difficult Run to Walthamstow | 3,680.16 mi (5,922.65 km) |
| Difficult Run to Walton upon Thames | 3,668.51 mi (5,903.90 km) |
| Difficult Run to Walton-on-the-Naze | 3,726.41 mi (5,997.08 km) |
| Difficult Run to Wandsworth | 3,676.05 mi (5,916.03 km) |
| Difficult Run to Wanstead | 3,682.32 mi (5,926.12 km) |
| Difficult Run to Wantage | 3,622.72 mi (5,830.21 km) |
| Difficult Run to Ware | 3,674.75 mi (5,913.93 km) |
| Difficult Run to Warfield | 3,654.07 mi (5,880.67 km) |
