| SeaTac to Welwyn Garden City | 4,774.61 mi (7,683.98 km) |
| SeaTac to Wembley | 4,785.68 mi (7,701.81 km) |
| SeaTac to West Auckland | 4,582.66 mi (7,375.08 km) |
| SeaTac to West Boldon | 4,573.03 mi (7,359.58 km) |
| SeaTac to West Bridgford | 4,689.13 mi (7,546.42 km) |
| SeaTac to West Bromwich | 4,688.55 mi (7,545.50 km) |
| SeaTac to West Derby | 4,615.64 mi (7,428.16 km) |
| SeaTac to West Drayton | 4,783.93 mi (7,698.99 km) |
| SeaTac to West Ham | 4,794.76 mi (7,716.41 km) |
| SeaTac to West Wickham | 4,802.66 mi (7,729.13 km) |
| SeaTac to Westbury | 4,750.92 mi (7,645.87 km) |
| SeaTac to Westhoughton | 4,619.47 mi (7,434.31 km) |
| SeaTac to Westminster | 4,793.14 mi (7,713.81 km) |
| SeaTac to Weston | 4,619.62 mi (7,434.56 km) |
| SeaTac to Weston-super-Mare | 4,724.89 mi (7,603.97 km) |
