| Prospect Heights to Conyers (Georgia) | 621.04 mi (999.47 km) |
| Prospect Heights to Cookeville (Tennessee) | 431.34 mi (694.17 km) |
| Prospect Heights to Coolidge (Arizona) | 1,433.49 mi (2,306.98 km) |
| Prospect Heights to Coon Rapids (Minnesota) | 342.62 mi (551.40 km) |
| Prospect Heights to Cooper City (Florida) | 1,191.24 mi (1,917.12 km) |
| Prospect Heights to Coos Bay (Oregon) | 1,829.83 mi (2,944.83 km) |
| Prospect Heights to Copiague (New York) | 758.97 mi (1,221.45 km) |
| Prospect Heights to Coppell (Texas) | 802.36 mi (1,291.27 km) |
| Prospect Heights to Copperas Cove (Texas) | 938.12 mi (1,509.76 km) |
| Prospect Heights to Coral Gables (Florida) | 1,213.89 mi (1,953.57 km) |
| Prospect Heights to Coral Springs (Florida) | 1,177.23 mi (1,894.57 km) |
| Prospect Heights to Coral Terrace (Florida) | 1,210.42 mi (1,947.98 km) |
| Prospect Heights to Coralville (Iowa) | 190.78 mi (307.03 km) |
| Prospect Heights to Coram (New York) | 775.81 mi (1,248.55 km) |
| Prospect Heights to Corcoran (California) | 1,735.89 mi (2,793.64 km) |
