| Boulder to Winder (Georgia) | 1,255.13 mi (2,019.94 km) |
| Boulder to Windsor (California) | 942.94 mi (1,517.51 km) |
| Boulder to Windsor (Colorado) | 35.35 mi (56.89 km) |
| Boulder to Winfield (Kansas) | 486.40 mi (782.78 km) |
| Boulder to Winnetka (Illinois) | 921.76 mi (1,483.43 km) |
| Boulder to Winona (Minnesota) | 749.38 mi (1,206.01 km) |
| Boulder to Winston-Salem (North Carolina) | 1,381.44 mi (2,223.22 km) |
| Boulder to Winter Garden (Florida) | 1,558.93 mi (2,508.86 km) |
| Boulder to Winter Gardens (California) | 815.97 mi (1,313.18 km) |
| Boulder to Winter Haven (Florida) | 1,576.09 mi (2,536.48 km) |
| Boulder to Winter Park (Florida) | 1,568.89 mi (2,524.88 km) |
| Boulder to Winter Springs (Florida) | 1,568.81 mi (2,524.75 km) |
| Boulder to Winterville (North Carolina) | 1,545.79 mi (2,487.71 km) |
| Boulder to Winton (California) | 847.13 mi (1,363.32 km) |
| Boulder to Wisconsin Rapids (Wisconsin) | 843.55 mi (1,357.56 km) |
