| Boulder to Watervliet (New York) | 1,636.57 mi (2,633.80 km) |
| Boulder to Watsonville (California) | 917.44 mi (1,476.48 km) |
| Boulder to Wauconda (Illinois) | 902.38 mi (1,452.24 km) |
| Boulder to Waukee (Iowa) | 603.74 mi (971.63 km) |
| Boulder to Waukegan (Illinois) | 916.33 mi (1,474.69 km) |
| Boulder to Waukesha (Wisconsin) | 901.92 mi (1,451.49 km) |
| Boulder to Waunakee (Wisconsin) | 843.90 mi (1,358.13 km) |
| Boulder to Waupun (Wisconsin) | 884.28 mi (1,423.11 km) |
| Boulder to Wausau (Wisconsin) | 863.35 mi (1,389.43 km) |
| Boulder to Wauwatosa (Wisconsin) | 912.99 mi (1,469.32 km) |
| Boulder to Waverly (Iowa) | 687.68 mi (1,106.72 km) |
| Boulder to Waverly (Michigan) | 1,082.33 mi (1,741.85 km) |
| Boulder to Waxahachie (Texas) | 704.26 mi (1,133.39 km) |
| Boulder to Waxhaw (North Carolina) | 1,384.13 mi (2,227.54 km) |
| Boulder to Waycross (Georgia) | 1,417.26 mi (2,280.86 km) |
