| Cahokia to Clermont (Florida) | 846.28 mi (1,361.96 km) |
| Cahokia to Cleveland (Mississippi) | 334.50 mi (538.33 km) |
| Cahokia to Cleveland (Ohio) | 492.34 mi (792.35 km) |
| Cahokia to Cleveland (Tennessee) | 375.03 mi (603.56 km) |
| Cahokia to Cleveland Heights (Ohio) | 498.85 mi (802.83 km) |
| Cahokia to Cliffside Park (New Jersey) | 873.51 mi (1,405.78 km) |
| Cahokia to Clifton (Colorado) | 983.08 mi (1,582.11 km) |
| Cahokia to Clifton (New Jersey) | 864.94 mi (1,391.98 km) |
| Cahokia to Clinton (Iowa) | 226.55 mi (364.59 km) |
| Cahokia to Clinton (Maryland) | 715.63 mi (1,151.69 km) |
| Cahokia to Clinton (Mississippi) | 429.23 mi (690.79 km) |
| Cahokia to Clinton (Utah) | 1,171.27 mi (1,884.98 km) |
| Cahokia to Clive (Iowa) | 284.53 mi (457.90 km) |
| Cahokia to Cloquet (Minnesota) | 575.66 mi (926.43 km) |
| Cahokia to Cloverleaf (Texas) | 669.93 mi (1,078.15 km) |
