| Boulder to Warminster | 4,620.64 mi (7,436.20 km) |
| Boulder to Warrington | 4,519.34 mi (7,273.18 km) |
| Boulder to Warsop | 4,575.48 mi (7,363.52 km) |
| Boulder to Warwick | 4,597.70 mi (7,399.29 km) |
| Boulder to Washington | 4,495.33 mi (7,234.54 km) |
| Boulder to Waterlooville | 4,674.25 mi (7,522.47 km) |
| Boulder to Watford | 4,664.24 mi (7,506.37 km) |
| Boulder to Wath upon Dearne | 4,556.94 mi (7,333.69 km) |
| Boulder to Wealdstone | 4,668.77 mi (7,513.66 km) |
| Boulder to Wednesfield | 4,567.97 mi (7,351.44 km) |
| Boulder to Welling | 4,689.71 mi (7,547.36 km) |
| Boulder to Wellingborough | 4,627.66 mi (7,447.51 km) |
| Boulder to Wellington | 4,593.00 mi (7,391.71 km) |
| Boulder to Wellington | 4,549.14 mi (7,321.14 km) |
| Boulder to Wells | 4,604.14 mi (7,409.65 km) |
