| Boulder to Harrison (Wisconsin) | 913.74 mi (1,470.52 km) |
| Boulder to Harrisonburg (Virginia) | 1,410.90 mi (2,270.62 km) |
| Boulder to Hartford (Connecticut) | 1,695.09 mi (2,727.99 km) |
| Boulder to Hartford (Wisconsin) | 898.41 mi (1,445.86 km) |
| Boulder to Hartselle (Alabama) | 1,076.32 mi (1,732.16 km) |
| Boulder to Hartsville (Tennessee) | 1,064.39 mi (1,712.98 km) |
| Boulder to Harvey (Illinois) | 925.17 mi (1,488.92 km) |
| Boulder to Harvey (Louisiana) | 1,106.29 mi (1,780.41 km) |
| Boulder to Hasbrouck Heights (New Jersey) | 1,631.79 mi (2,626.11 km) |
| Boulder to Haslett (Michigan) | 1,094.20 mi (1,760.95 km) |
| Boulder to Hastings (Minnesota) | 710.45 mi (1,143.36 km) |
| Boulder to Hastings (Nebraska) | 363.61 mi (585.18 km) |
| Boulder to Hattiesburg (Mississippi) | 1,075.75 mi (1,731.25 km) |
| Boulder to Hauppauge (New York) | 1,676.83 mi (2,698.60 km) |
| Boulder to Havelock (North Carolina) | 1,587.40 mi (2,554.68 km) |
