| Oak Ridge to Crawfordsville (Indiana) | 315.43 mi (507.64 km) |
| Oak Ridge to Crest Hill (Illinois) | 438.60 mi (705.86 km) |
| Oak Ridge to Crestview (Florida) | 383.73 mi (617.55 km) |
| Oak Ridge to Crestwood (Illinois) | 434.09 mi (698.60 km) |
| Oak Ridge to Crestwood (Missouri) | 379.42 mi (610.62 km) |
| Oak Ridge to Creve Coeur (Missouri) | 385.80 mi (620.88 km) |
| Oak Ridge to Crofton (Maryland) | 467.39 mi (752.18 km) |
| Oak Ridge to Crossville (Tennessee) | 41.15 mi (66.23 km) |
| Oak Ridge to Crowley (Louisiana) | 613.15 mi (986.77 km) |
| Oak Ridge to Crowley (Texas) | 781.05 mi (1,256.97 km) |
| Oak Ridge to Crown Point (Indiana) | 410.91 mi (661.29 km) |
| Oak Ridge to Crystal (Minnesota) | 786.27 mi (1,265.38 km) |
| Oak Ridge to Crystal Lake (Illinois) | 484.20 mi (779.24 km) |
| Oak Ridge to Cudahy (California) | 1,914.28 mi (3,080.73 km) |
| Oak Ridge to Cudahy (Wisconsin) | 518.57 mi (834.55 km) |
