| Boulder to Wells Branch (Texas) | 787.27 mi (1,266.99 km) |
| Boulder to Wenatchee (Washington) | 907.92 mi (1,461.16 km) |
| Boulder to Wentzville (Missouri) | 771.51 mi (1,241.63 km) |
| Boulder to Weslaco (Texas) | 1,045.23 mi (1,682.14 km) |
| Boulder to Wesley Chapel (Florida) | 1,537.74 mi (2,474.75 km) |
| Boulder to West Allis (Wisconsin) | 912.76 mi (1,468.95 km) |
| Boulder to West Babylon (New York) | 1,670.34 mi (2,688.16 km) |
| Boulder to West Bend (Wisconsin) | 909.19 mi (1,463.21 km) |
| Boulder to West Carrollton (Ohio) | 1,111.57 mi (1,788.90 km) |
| Boulder to West Carson (California) | 836.83 mi (1,346.75 km) |
| Boulder to West Chester (Pennsylvania) | 1,562.00 mi (2,513.79 km) |
| Boulder to West Chicago (Illinois) | 896.25 mi (1,442.38 km) |
| Boulder to West Columbia (South Carolina) | 1,391.52 mi (2,239.43 km) |
| Boulder to West Covina (California) | 809.70 mi (1,303.08 km) |
| Boulder to West Des Moines (Iowa) | 608.85 mi (979.84 km) |
