| Prospect Heights to Cold Springs (Nevada) | 1,672.28 mi (2,691.28 km) |
| Prospect Heights to Coldwater (Michigan) | 150.66 mi (242.46 km) |
| Prospect Heights to Colesville (Maryland) | 609.77 mi (981.33 km) |
| Prospect Heights to College (Alaska) | 2,769.83 mi (4,457.60 km) |
| Prospect Heights to College Park (Georgia) | 614.63 mi (989.15 km) |
| Prospect Heights to College Park (Maryland) | 615.22 mi (990.10 km) |
| Prospect Heights to College Station (Texas) | 921.02 mi (1,482.24 km) |
| Prospect Heights to Collegedale (Tennessee) | 511.31 mi (822.87 km) |
| Prospect Heights to Colleyville (Texas) | 811.78 mi (1,306.43 km) |
| Prospect Heights to Collierville (Tennessee) | 496.86 mi (799.61 km) |
| Prospect Heights to Collinsville (Illinois) | 260.82 mi (419.75 km) |
| Prospect Heights to Colonia (New Jersey) | 712.93 mi (1,147.35 km) |
| Prospect Heights to Colonial Heights (Virginia) | 651.41 mi (1,048.34 km) |
| Prospect Heights to Colonial Park (Pennsylvania) | 590.91 mi (950.98 km) |
| Prospect Heights to Colorado Springs (Colorado) | 910.78 mi (1,465.75 km) |
