| Round Rock to Wallingford | 4,857.10 mi (7,816.75 km) |
| Round Rock to Wallington | 4,902.34 mi (7,889.56 km) |
| Round Rock to Wallsend | 4,746.65 mi (7,639.00 km) |
| Round Rock to Walsall | 4,796.23 mi (7,718.79 km) |
| Round Rock to Walsall Wood | 4,796.82 mi (7,719.74 km) |
| Round Rock to Waltham Abbey | 4,898.33 mi (7,883.10 km) |
| Round Rock to Waltham Cross | 4,896.99 mi (7,880.95 km) |
| Round Rock to Walthamstow | 4,900.48 mi (7,886.57 km) |
| Round Rock to Walton upon Thames | 4,891.04 mi (7,871.38 km) |
| Round Rock to Walton-on-the-Naze | 4,942.22 mi (7,953.73 km) |
| Round Rock to Wandsworth | 4,897.66 mi (7,882.02 km) |
| Round Rock to Wanstead | 4,902.59 mi (7,889.96 km) |
| Round Rock to Wantage | 4,845.60 mi (7,798.23 km) |
| Round Rock to Ware | 4,893.37 mi (7,875.11 km) |
| Round Rock to Warfield | 4,876.79 mi (7,848.44 km) |
