| Prospect Heights to Cordele (Georgia) | 737.42 mi (1,186.76 km) |
| Prospect Heights to Corinth (Mississippi) | 495.48 mi (797.40 km) |
| Prospect Heights to Corinth (Texas) | 794.95 mi (1,279.35 km) |
| Prospect Heights to Cornelius (North Carolina) | 594.45 mi (956.67 km) |
| Prospect Heights to Cornelius (Oregon) | 1,752.87 mi (2,820.98 km) |
| Prospect Heights to Corning (New York) | 556.70 mi (895.91 km) |
| Prospect Heights to Corona (California) | 1,701.32 mi (2,738.01 km) |
| Prospect Heights to Coronado (California) | 1,721.68 mi (2,770.78 km) |
| Prospect Heights to Corpus Christi (Texas) | 1,126.81 mi (1,813.42 km) |
| Prospect Heights to Corsicana (Texas) | 836.22 mi (1,345.77 km) |
| Prospect Heights to Cortland (New York) | 600.38 mi (966.22 km) |
| Prospect Heights to Corvallis (Oregon) | 1,770.73 mi (2,849.71 km) |
| Prospect Heights to Coshocton (Ohio) | 340.66 mi (548.23 km) |
| Prospect Heights to Costa Mesa (California) | 1,725.34 mi (2,776.67 km) |
| Prospect Heights to Coto de Caza (California) | 1,711.16 mi (2,753.84 km) |
