| Prospect Heights to Crawfordsville (Indiana) | 152.16 mi (244.88 km) |
| Prospect Heights to Crest Hill (Illinois) | 37.95 mi (61.08 km) |
| Prospect Heights to Crestview (Florida) | 788.18 mi (1,268.45 km) |
| Prospect Heights to Crestwood (Illinois) | 33.11 mi (53.28 km) |
| Prospect Heights to Crestwood (Missouri) | 276.98 mi (445.76 km) |
| Prospect Heights to Creve Coeur (Missouri) | 272.17 mi (438.01 km) |
| Prospect Heights to Crofton (Maryland) | 627.18 mi (1,009.35 km) |
| Prospect Heights to Crossville (Tennessee) | 452.49 mi (728.21 km) |
| Prospect Heights to Crowley (Louisiana) | 857.60 mi (1,380.17 km) |
| Prospect Heights to Crowley (Texas) | 836.48 mi (1,346.18 km) |
| Prospect Heights to Crown Point (Indiana) | 56.27 mi (90.57 km) |
| Prospect Heights to Crystal (Minnesota) | 339.09 mi (545.70 km) |
| Prospect Heights to Crystal Lake (Illinois) | 22.75 mi (36.60 km) |
| Prospect Heights to Cudahy (California) | 1,729.28 mi (2,783.01 km) |
| Prospect Heights to Cudahy (Wisconsin) | 58.32 mi (93.86 km) |
