| Cahokia to Hormigueros (Puerto Rico) | 1,977.71 mi (3,182.82 km) |
| Cahokia to Horn Lake (Mississippi) | 249.79 mi (402.00 km) |
| Cahokia to Hot Springs (Arkansas) | 323.54 mi (520.69 km) |
| Cahokia to Hot Springs Village (Arkansas) | 311.06 mi (500.60 km) |
| Cahokia to Houma (Louisiana) | 621.53 mi (1,000.26 km) |
| Cahokia to Houston (Texas) | 675.40 mi (1,086.95 km) |
| Cahokia to Howard (Wisconsin) | 428.67 mi (689.88 km) |
| Cahokia to Huber Heights (Ohio) | 336.77 mi (541.97 km) |
| Cahokia to Hudson (Florida) | 826.06 mi (1,329.42 km) |
| Cahokia to Hudson (Ohio) | 498.40 mi (802.09 km) |
| Cahokia to Hudson (Wisconsin) | 461.20 mi (742.23 km) |
| Cahokia to Hueytown (Alabama) | 396.58 mi (638.23 km) |
| Cahokia to Hugo (Minnesota) | 477.97 mi (769.22 km) |
| Cahokia to Humacao (Puerto Rico) | 2,032.57 mi (3,271.10 km) |
| Cahokia to Humble (Texas) | 659.38 mi (1,061.17 km) |
