| Cahokia to Hutchinson (Minnesota) | 487.23 mi (784.12 km) |
| Cahokia to Hutto (Texas) | 694.51 mi (1,117.70 km) |
| Cahokia to Hyattsville (Maryland) | 712.37 mi (1,146.45 km) |
| Cahokia to Hybla Valley (Virginia) | 706.17 mi (1,136.47 km) |
| Cahokia to Idaho Falls (Idaho) | 1,184.99 mi (1,907.05 km) |
| Cahokia to Idylwood (Virginia) | 699.08 mi (1,125.06 km) |
| Cahokia to Ilchester (Maryland) | 721.96 mi (1,161.89 km) |
| Cahokia to Immokalee (Florida) | 980.56 mi (1,578.05 km) |
| Cahokia to Imperial (California) | 1,473.31 mi (2,371.06 km) |
| Cahokia to Imperial Beach (California) | 1,563.37 mi (2,516.00 km) |
| Cahokia to Independence (Kentucky) | 304.46 mi (489.99 km) |
| Cahokia to Independence (Missouri) | 227.36 mi (365.90 km) |
| Cahokia to Indian Trail (North Carolina) | 579.62 mi (932.81 km) |
| Cahokia to Indiana (Pennsylvania) | 603.46 mi (971.17 km) |
| Cahokia to Indianapolis (Indiana) | 231.69 mi (372.87 km) |
