| Prospect Heights to Candler-McAfee (Georgia) | 611.96 mi (984.85 km) |
| Prospect Heights to Caño Martin Peña (Puerto Rico) | 2,079.58 mi (3,346.76 km) |
| Prospect Heights to Cañon City (Colorado) | 944.22 mi (1,519.57 km) |
| Prospect Heights to Canóvanas (Puerto Rico) | 2,088.55 mi (3,361.20 km) |
| Prospect Heights to Canton (Georgia) | 573.94 mi (923.67 km) |
| Prospect Heights to Canton (Illinois) | 152.84 mi (245.97 km) |
| Prospect Heights to Canton (Mississippi) | 666.86 mi (1,073.21 km) |
| Prospect Heights to Canton (Ohio) | 351.16 mi (565.13 km) |
| Prospect Heights to Canyon (Texas) | 899.99 mi (1,448.39 km) |
| Prospect Heights to Canyon Lake (California) | 1,691.75 mi (2,722.60 km) |
| Prospect Heights to Canyon Lake (Texas) | 1,021.75 mi (1,644.35 km) |
| Prospect Heights to Cape Coral (Florida) | 1,119.66 mi (1,801.92 km) |
| Prospect Heights to Cape Girardeau (Missouri) | 342.33 mi (550.93 km) |
| Prospect Heights to Carbondale (Illinois) | 310.45 mi (499.61 km) |
| Prospect Heights to Carlisle (Pennsylvania) | 572.75 mi (921.76 km) |
