| Cahokia to River Ridge (Louisiana) | 594.60 mi (956.92 km) |
| Cahokia to Riverbank (California) | 1,664.83 mi (2,679.29 km) |
| Cahokia to Riverdale (Georgia) | 472.25 mi (760.01 km) |
| Cahokia to Riverdale (Illinois) | 251.60 mi (404.91 km) |
| Cahokia to Riverside (California) | 1,543.75 mi (2,484.42 km) |
| Cahokia to Riverside (Ohio) | 335.12 mi (539.33 km) |
| Cahokia to Riverton (Utah) | 1,165.53 mi (1,875.73 km) |
| Cahokia to Riverton (Wyoming) | 1,000.23 mi (1,609.71 km) |
| Cahokia to Riverview (Florida) | 869.96 mi (1,400.06 km) |
| Cahokia to Riverview (Michigan) | 443.96 mi (714.49 km) |
| Cahokia to Riviera Beach (Florida) | 1,002.65 mi (1,613.61 km) |
| Cahokia to Riviera Beach (Maryland) | 735.01 mi (1,182.89 km) |
| Cahokia to Roanoke (Virginia) | 563.84 mi (907.41 km) |
| Cahokia to Roanoke Rapids (North Carolina) | 701.65 mi (1,129.19 km) |
| Cahokia to Robbinsdale (Minnesota) | 474.96 mi (764.37 km) |
