| Cahokia to Hazleton (Pennsylvania) | 771.46 mi (1,241.54 km) |
| Cahokia to Healdsburg (California) | 1,755.64 mi (2,825.42 km) |
| Cahokia to Heath (Ohio) | 425.71 mi (685.12 km) |
| Cahokia to Heber (Utah) | 1,135.85 mi (1,827.98 km) |
| Cahokia to Helena (Alabama) | 408.88 mi (658.03 km) |
| Cahokia to Helena (Montana) | 1,236.36 mi (1,989.72 km) |
| Cahokia to Hemet (California) | 1,527.14 mi (2,457.70 km) |
| Cahokia to Henderson (Kentucky) | 149.77 mi (241.03 km) |
| Cahokia to Henderson (Nevada) | 1,373.56 mi (2,210.53 km) |
| Cahokia to Henderson (North Carolina) | 663.10 mi (1,067.16 km) |
| Cahokia to Henderson (Texas) | 513.30 mi (826.07 km) |
| Cahokia to Hendersonville (North Carolina) | 481.36 mi (774.68 km) |
| Cahokia to Hendersonville (Tennessee) | 250.81 mi (403.63 km) |
| Cahokia to Hercules (California) | 1,731.18 mi (2,786.07 km) |
| Cahokia to Hereford (Texas) | 724.02 mi (1,165.20 km) |
