| Champaign to Cadillac (Michigan) | 320.93 mi (516.49 km) |
| Champaign to Caguas (Puerto Rico) | 2,009.26 mi (3,233.59 km) |
| Champaign to Cahokia (Illinois) | 147.73 mi (237.75 km) |
| Champaign to Calabasas (California) | 1,715.53 mi (2,760.88 km) |
| Champaign to Caldwell (Idaho) | 1,473.07 mi (2,370.67 km) |
| Champaign to Caledonia (Wisconsin) | 186.61 mi (300.32 km) |
| Champaign to Calera (Alabama) | 490.24 mi (788.97 km) |
| Champaign to Calexico (California) | 1,591.02 mi (2,560.49 km) |
| Champaign to Calhoun (Georgia) | 429.50 mi (691.22 km) |
| Champaign to California (Maryland) | 642.49 mi (1,033.99 km) |
| Champaign to California City (California) | 1,647.24 mi (2,650.98 km) |
| Champaign to Callaway (Florida) | 706.28 mi (1,136.66 km) |
| Champaign to Calumet City (Illinois) | 110.26 mi (177.45 km) |
| Champaign to Calverton (Maryland) | 607.01 mi (976.88 km) |
| Champaign to Camano (Washington) | 1,767.81 mi (2,845.02 km) |
