| Boulder to Hanahan (South Carolina) | 1,479.91 mi (2,381.68 km) |
| Boulder to Hanford (California) | 821.81 mi (1,322.58 km) |
| Boulder to Hannibal (Missouri) | 734.51 mi (1,182.09 km) |
| Boulder to Hanover (Pennsylvania) | 1,491.75 mi (2,400.73 km) |
| Boulder to Hanover Park (Illinois) | 900.68 mi (1,449.51 km) |
| Boulder to Happy Valley (Oregon) | 949.76 mi (1,528.50 km) |
| Boulder to Harker Heights (Texas) | 752.20 mi (1,210.56 km) |
| Boulder to Harlingen (Texas) | 1,049.99 mi (1,689.80 km) |
| Boulder to Harper Woods (Michigan) | 1,168.41 mi (1,880.38 km) |
| Boulder to Harrisburg (North Carolina) | 1,379.63 mi (2,220.29 km) |
| Boulder to Harrisburg (Pennsylvania) | 1,491.83 mi (2,400.87 km) |
| Boulder to Harrison (Arkansas) | 708.47 mi (1,140.18 km) |
| Boulder to Harrison (New Jersey) | 1,628.90 mi (2,621.47 km) |
| Boulder to Harrison (New York) | 1,648.53 mi (2,653.05 km) |
| Boulder to Harrison (Ohio) | 1,087.77 mi (1,750.60 km) |
