| Boulder to Westland (Michigan) | 1,145.29 mi (1,843.17 km) |
| Boulder to Westminster (California) | 825.54 mi (1,328.58 km) |
| Boulder to Westminster (Colorado) | 14.01 mi (22.55 km) |
| Boulder to Westminster (Maryland) | 1,493.33 mi (2,403.28 km) |
| Boulder to Westmont (California) | 832.62 mi (1,339.97 km) |
| Boulder to Westmont (Illinois) | 908.89 mi (1,462.71 km) |
| Boulder to Westmont (New Jersey) | 1,591.35 mi (2,561.03 km) |
| Boulder to Weston (Florida) | 1,721.22 mi (2,770.04 km) |
| Boulder to Weston (Wisconsin) | 866.40 mi (1,394.33 km) |
| Boulder to Westphalia (Maryland) | 1,512.64 mi (2,434.35 km) |
| Boulder to Westview (Florida) | 1,738.73 mi (2,798.22 km) |
| Boulder to Westwood (New Jersey) | 1,632.79 mi (2,627.73 km) |
| Boulder to Westwood Lakes (Florida) | 1,739.72 mi (2,799.81 km) |
| Boulder to Wheat Ridge (Colorado) | 19.13 mi (30.79 km) |
| Boulder to Wheaton (Illinois) | 902.14 mi (1,451.85 km) |
