| Champaign to Carrollwood (Florida) | 895.29 mi (1,440.83 km) |
| Champaign to Carson (California) | 1,701.94 mi (2,739.01 km) |
| Champaign to Carson City (Nevada) | 1,667.35 mi (2,683.35 km) |
| Champaign to Carteret (New Jersey) | 739.51 mi (1,190.12 km) |
| Champaign to Cartersville (Georgia) | 453.31 mi (729.53 km) |
| Champaign to Carthage (Missouri) | 385.25 mi (620.00 km) |
| Champaign to Cary (Illinois) | 145.01 mi (233.37 km) |
| Champaign to Cary (North Carolina) | 595.28 mi (958.00 km) |
| Champaign to Casa de Oro-Mount Helix (California) | 1,665.45 mi (2,680.29 km) |
| Champaign to Casa Grande (Arizona) | 1,391.05 mi (2,238.67 km) |
| Champaign to Casas Adobes (Arizona) | 1,371.32 mi (2,206.92 km) |
| Champaign to Cascades (Virginia) | 584.02 mi (939.89 km) |
| Champaign to Casper (Wyoming) | 951.08 mi (1,530.61 km) |
| Champaign to Casselberry (Florida) | 884.23 mi (1,423.03 km) |
| Champaign to Castaic (California) | 1,704.45 mi (2,743.05 km) |
