| Mason City to Wallingford | 4,055.64 mi (6,526.92 km) |
| Mason City to Wallington | 4,100.18 mi (6,598.60 km) |
| Mason City to Wallsend | 3,922.50 mi (6,312.66 km) |
| Mason City to Walsall | 3,989.67 mi (6,420.76 km) |
| Mason City to Walsall Wood | 3,989.81 mi (6,420.98 km) |
| Mason City to Waltham Abbey | 4,093.57 mi (6,587.96 km) |
| Mason City to Waltham Cross | 4,092.30 mi (6,585.92 km) |
| Mason City to Walthamstow | 4,096.48 mi (6,592.64 km) |
| Mason City to Walton upon Thames | 4,089.39 mi (6,581.24 km) |
| Mason City to Walton-on-the-Naze | 4,133.30 mi (6,651.90 km) |
| Mason City to Wandsworth | 4,094.98 mi (6,590.23 km) |
| Mason City to Wanstead | 4,098.51 mi (6,595.91 km) |
| Mason City to Wantage | 4,044.92 mi (6,509.68 km) |
| Mason City to Ware | 4,087.79 mi (6,578.66 km) |
| Mason City to Warfield | 4,075.53 mi (6,558.93 km) |
