| Champaign to Carlsbad (California) | 1,671.16 mi (2,689.48 km) |
| Champaign to Carlsbad (New Mexico) | 1,034.54 mi (1,664.93 km) |
| Champaign to Carmel (Indiana) | 113.02 mi (181.89 km) |
| Champaign to Carmichael (California) | 1,758.19 mi (2,829.53 km) |
| Champaign to Carney (Maryland) | 625.57 mi (1,006.75 km) |
| Champaign to Carnot-Moon (Pennsylvania) | 425.17 mi (684.25 km) |
| Champaign to Carol Stream (Illinois) | 124.86 mi (200.94 km) |
| Champaign to Carolina (Puerto Rico) | 2,001.98 mi (3,221.87 km) |
| Champaign to Carolina Forest (South Carolina) | 677.28 mi (1,089.98 km) |
| Champaign to Carpentersville (Illinois) | 138.78 mi (223.34 km) |
| Champaign to Carpinteria (California) | 1,753.12 mi (2,821.38 km) |
| Champaign to Carrboro (North Carolina) | 577.26 mi (929.00 km) |
| Champaign to Carroll (Iowa) | 368.72 mi (593.40 km) |
| Champaign to Carrollton (Georgia) | 484.49 mi (779.70 km) |
| Champaign to Carrollton (Texas) | 686.05 mi (1,104.09 km) |
