| Boulder to Waimea (Hawaii) | 3,264.27 mi (5,253.33 km) |
| Boulder to Waipahu (Hawaii) | 3,332.94 mi (5,363.85 km) |
| Boulder to Waipio (Hawaii) | 3,331.10 mi (5,360.89 km) |
| Boulder to Wake Forest (North Carolina) | 1,476.90 mi (2,376.83 km) |
| Boulder to Wakefield (Virginia) | 1,491.20 mi (2,399.86 km) |
| Boulder to Waldorf (Maryland) | 1,511.30 mi (2,432.20 km) |
| Boulder to Walker (Michigan) | 1,027.44 mi (1,653.51 km) |
| Boulder to Walker Mill (Maryland) | 1,509.13 mi (2,428.71 km) |
| Boulder to Walla Walla (Washington) | 780.03 mi (1,255.33 km) |
| Boulder to Wallingford Center (Connecticut) | 1,690.89 mi (2,721.22 km) |
| Boulder to Wallington (New Jersey) | 1,630.18 mi (2,623.52 km) |
| Boulder to Walnut (California) | 808.10 mi (1,300.51 km) |
| Boulder to Walnut Creek (California) | 912.31 mi (1,468.21 km) |
| Boulder to Walnut Park (California) | 827.80 mi (1,332.22 km) |
| Boulder to Waltham (Massachusetts) | 1,763.59 mi (2,838.22 km) |
