| Cahokia to Cividale del Friuli | 4,922.27 mi (7,921.63 km) |
| Cahokia to Civita Castellana | 5,039.27 mi (8,109.93 km) |
| Cahokia to Civitanova Marche | 5,050.65 mi (8,128.24 km) |
| Cahokia to Civitavecchia | 5,022.44 mi (8,082.84 km) |
| Cahokia to Civitella in Val di Chiana | 4,964.84 mi (7,990.14 km) |
| Cahokia to Clusone | 4,795.13 mi (7,717.01 km) |
| Cahokia to Coccaglio | 4,808.85 mi (7,739.10 km) |
| Cahokia to Codigoro | 4,922.89 mi (7,922.63 km) |
| Cahokia to Codogno | 4,813.85 mi (7,747.14 km) |
| Cahokia to Codroipo | 4,910.41 mi (7,902.55 km) |
| Cahokia to Cogoleto | 4,801.32 mi (7,726.98 km) |
| Cahokia to Colle di Val d'Elsa | 4,941.90 mi (7,953.22 km) |
| Cahokia to Colle Salvetti | 4,907.40 mi (7,897.70 km) |
| Cahokia to Collecchio | 4,850.59 mi (7,806.27 km) |
| Cahokia to Colleferro | 5,087.61 mi (8,187.71 km) |
