| Boulder to West Memphis (Arkansas) | 888.77 mi (1,430.34 km) |
| Boulder to West Mifflin (Pennsylvania) | 1,333.31 mi (2,145.76 km) |
| Boulder to West Monroe (Louisiana) | 894.02 mi (1,438.79 km) |
| Boulder to West New York (New Jersey) | 1,635.91 mi (2,632.74 km) |
| Boulder to West Odessa (Texas) | 586.08 mi (943.21 km) |
| Boulder to West Palm Beach (Florida) | 1,705.84 mi (2,745.28 km) |
| Boulder to West Park (Florida) | 1,736.53 mi (2,794.67 km) |
| Boulder to West Pensacola (Florida) | 1,208.86 mi (1,945.47 km) |
| Boulder to West Plains (Missouri) | 758.79 mi (1,221.15 km) |
| Boulder to West Point (Utah) | 367.15 mi (590.87 km) |
| Boulder to West Puente Valley (California) | 812.55 mi (1,307.67 km) |
| Boulder to West Rancho Dominguez (California) | 832.43 mi (1,339.66 km) |
| Boulder to West Richland (Washington) | 833.00 mi (1,340.58 km) |
| Boulder to West Sacramento (California) | 876.18 mi (1,410.07 km) |
| Boulder to West Springfield (Virginia) | 1,492.60 mi (2,402.11 km) |
