| National City to Crawfordsville (Indiana) | 1,746.55 mi (2,810.80 km) |
| National City to Crest Hill (Illinois) | 1,701.44 mi (2,738.20 km) |
| National City to Crestview (Florida) | 1,792.74 mi (2,885.13 km) |
| National City to Crestwood (Illinois) | 1,721.32 mi (2,770.19 km) |
| National City to Crestwood (Missouri) | 1,549.00 mi (2,492.87 km) |
| National City to Creve Coeur (Missouri) | 1,546.44 mi (2,488.75 km) |
| National City to Crofton (Maryland) | 2,286.73 mi (3,680.14 km) |
| National City to Crossville (Tennessee) | 1,835.97 mi (2,954.71 km) |
| National City to Crowley (Louisiana) | 1,463.84 mi (2,355.83 km) |
| National City to Crowley (Texas) | 1,147.08 mi (1,846.05 km) |
| National City to Crown Point (Indiana) | 1,738.24 mi (2,797.43 km) |
| National City to Crystal (Minnesota) | 1,527.84 mi (2,458.82 km) |
| National City to Crystal Lake (Illinois) | 1,700.20 mi (2,736.21 km) |
| National City to Cudahy (California) | 109.37 mi (176.01 km) |
| National City to Cudahy (Wisconsin) | 1,735.29 mi (2,792.68 km) |
