| SeaTac to Wallingford | 4,761.27 mi (7,662.52 km) |
| SeaTac to Wallington | 4,800.11 mi (7,725.04 km) |
| SeaTac to Wallsend | 4,568.23 mi (7,351.86 km) |
| SeaTac to Walsall | 4,685.68 mi (7,540.87 km) |
| SeaTac to Walsall Wood | 4,684.44 mi (7,538.88 km) |
| SeaTac to Waltham Abbey | 4,786.32 mi (7,702.84 km) |
| SeaTac to Waltham Cross | 4,785.37 mi (7,701.30 km) |
| SeaTac to Walthamstow | 4,791.26 mi (7,710.79 km) |
| SeaTac to Walton upon Thames | 4,791.70 mi (7,711.49 km) |
| SeaTac to Walton-on-the-Naze | 4,810.20 mi (7,741.27 km) |
| SeaTac to Wandsworth | 4,793.82 mi (7,714.90 km) |
| SeaTac to Wanstead | 4,792.90 mi (7,713.43 km) |
| SeaTac to Wantage | 4,753.75 mi (7,650.43 km) |
| SeaTac to Ware | 4,778.58 mi (7,690.39 km) |
| SeaTac to Warfield | 4,780.11 mi (7,692.84 km) |
