| Idylwood to Crawfordsville (Indiana) | 522.80 mi (841.37 km) |
| Idylwood to Crest Hill (Illinois) | 603.94 mi (971.95 km) |
| Idylwood to Crestview (Florida) | 773.14 mi (1,244.26 km) |
| Idylwood to Crestwood (Illinois) | 586.63 mi (944.09 km) |
| Idylwood to Crestwood (Missouri) | 709.83 mi (1,142.36 km) |
| Idylwood to Creve Coeur (Missouri) | 712.59 mi (1,146.79 km) |
| Idylwood to Crofton (Maryland) | 29.53 mi (47.52 km) |
| Idylwood to Crossville (Tennessee) | 474.64 mi (763.85 km) |
| Idylwood to Crowley (Louisiana) | 1,048.49 mi (1,687.37 km) |
| Idylwood to Crowley (Texas) | 1,208.26 mi (1,944.51 km) |
| Idylwood to Crown Point (Indiana) | 562.79 mi (905.73 km) |
| Idylwood to Crystal (Minnesota) | 930.02 mi (1,496.72 km) |
| Idylwood to Crystal Lake (Illinois) | 627.61 mi (1,010.04 km) |
| Idylwood to Cudahy (California) | 2,284.07 mi (3,675.85 km) |
| Idylwood to Cudahy (Wisconsin) | 622.45 mi (1,001.74 km) |
