| Cahokia to Red Bank (New Jersey) | 867.08 mi (1,395.43 km) |
| Cahokia to Red Bank (Tennessee) | 360.23 mi (579.74 km) |
| Cahokia to Red Bluff (California) | 1,706.87 mi (2,746.95 km) |
| Cahokia to Red Hill (South Carolina) | 704.57 mi (1,133.89 km) |
| Cahokia to Red Oak (Texas) | 558.56 mi (898.91 km) |
| Cahokia to Red Wing (Minnesota) | 434.13 mi (698.67 km) |
| Cahokia to Redan (Georgia) | 472.83 mi (760.94 km) |
| Cahokia to Redding (California) | 1,710.33 mi (2,752.51 km) |
| Cahokia to Redland (Maryland) | 701.79 mi (1,129.43 km) |
| Cahokia to Redlands (California) | 1,529.05 mi (2,460.77 km) |
| Cahokia to Redmond (Oregon) | 1,643.32 mi (2,644.67 km) |
| Cahokia to Redmond (Washington) | 1,714.36 mi (2,758.99 km) |
| Cahokia to Redondo Beach (California) | 1,598.58 mi (2,572.67 km) |
| Cahokia to Redwood City (California) | 1,736.68 mi (2,794.91 km) |
| Cahokia to Reedley (California) | 1,601.54 mi (2,577.42 km) |
