| Cahokia to Camas (Washington) | 1,710.77 mi (2,753.21 km) |
| Cahokia to Cambridge (Maryland) | 761.10 mi (1,224.86 km) |
| Cahokia to Cambridge (Massachusetts) | 1,033.44 mi (1,663.15 km) |
| Cahokia to Camden (Arkansas) | 376.03 mi (605.16 km) |
| Cahokia to Camden (New Jersey) | 810.99 mi (1,305.16 km) |
| Cahokia to Cameron Park (California) | 1,655.19 mi (2,663.78 km) |
| Cahokia to Camp Pendleton South (California) | 1,560.82 mi (2,511.89 km) |
| Cahokia to Camp Springs (Maryland) | 714.70 mi (1,150.19 km) |
| Cahokia to Camp Verde (Arizona) | 1,231.05 mi (1,981.18 km) |
| Cahokia to Campbell (California) | 1,725.48 mi (2,776.89 km) |
| Cahokia to Campbellsville (Kentucky) | 276.19 mi (444.48 km) |
| Cahokia to Campton Hills (Illinois) | 251.64 mi (404.98 km) |
| Cahokia to Canby (Oregon) | 1,721.34 mi (2,770.22 km) |
| Cahokia to Candelaria (Puerto Rico) | 2,002.33 mi (3,222.43 km) |
| Cahokia to Candler-McAfee (Georgia) | 469.22 mi (755.14 km) |
