| Cahokia to Hanahan (South Carolina) | 690.12 mi (1,110.64 km) |
| Cahokia to Hanford (California) | 1,617.31 mi (2,602.80 km) |
| Cahokia to Hannibal (Missouri) | 102.44 mi (164.85 km) |
| Cahokia to Hanover (Pennsylvania) | 711.23 mi (1,144.61 km) |
| Cahokia to Hanover Park (Illinois) | 259.28 mi (417.27 km) |
| Cahokia to Happy Valley (Oregon) | 1,713.57 mi (2,757.73 km) |
| Cahokia to Harker Heights (Texas) | 669.12 mi (1,076.85 km) |
| Cahokia to Harlingen (Texas) | 960.01 mi (1,544.99 km) |
| Cahokia to Harper Woods (Michigan) | 465.26 mi (748.77 km) |
| Cahokia to Harrisburg (North Carolina) | 571.93 mi (920.43 km) |
| Cahokia to Harrisburg (Pennsylvania) | 718.68 mi (1,156.61 km) |
| Cahokia to Harrison (Arkansas) | 227.50 mi (366.13 km) |
| Cahokia to Harrison (New Jersey) | 864.43 mi (1,391.17 km) |
| Cahokia to Harrison (New York) | 888.76 mi (1,430.33 km) |
| Cahokia to Harrison (Ohio) | 293.80 mi (472.82 km) |
