| Harpenden to Wembley | 18.44 mi (29.67 km) |
| Harpenden to West Auckland | 202.51 mi (325.91 km) |
| Harpenden to West Boldon | 220.69 mi (355.17 km) |
| Harpenden to West Bridgford | 83.65 mi (134.62 km) |
| Harpenden to West Bromwich | 84.82 mi (136.50 km) |
| Harpenden to West Derby | 154.74 mi (249.03 km) |
| Harpenden to West Drayton | 22.17 mi (35.68 km) |
| Harpenden to West Ham | 24.94 mi (40.14 km) |
| Harpenden to West Wickham | 33.66 mi (54.17 km) |
| Harpenden to Westbury | 87.90 mi (141.46 km) |
| Harpenden to Westhoughton | 150.40 mi (242.04 km) |
| Harpenden to Westminster | 24.17 mi (38.89 km) |
| Harpenden to Weston | 150.58 mi (242.33 km) |
| Harpenden to Weston-super-Mare | 117.29 mi (188.76 km) |
| Harpenden to Wetherby | 152.00 mi (244.63 km) |
