| Grass Valley to Crawfordsville (Indiana) | 1,807.10 mi (2,908.25 km) |
| Grass Valley to Crest Hill (Illinois) | 1,730.29 mi (2,784.63 km) |
| Grass Valley to Crestview (Florida) | 2,023.73 mi (3,256.87 km) |
| Grass Valley to Crestwood (Illinois) | 1,748.95 mi (2,814.66 km) |
| Grass Valley to Crestwood (Missouri) | 1,642.33 mi (2,643.08 km) |
| Grass Valley to Creve Coeur (Missouri) | 1,637.49 mi (2,635.29 km) |
| Grass Valley to Crofton (Maryland) | 2,354.15 mi (3,788.64 km) |
| Grass Valley to Crossville (Tennessee) | 1,972.14 mi (3,173.85 km) |
| Grass Valley to Crowley (Louisiana) | 1,734.33 mi (2,791.13 km) |
| Grass Valley to Crowley (Texas) | 1,398.41 mi (2,250.53 km) |
| Grass Valley to Crown Point (Indiana) | 1,770.89 mi (2,849.97 km) |
| Grass Valley to Crystal (Minnesota) | 1,466.65 mi (2,360.35 km) |
| Grass Valley to Crystal Lake (Illinois) | 1,714.99 mi (2,760.01 km) |
| Grass Valley to Cudahy (California) | 396.74 mi (638.49 km) |
| Grass Valley to Cudahy (Wisconsin) | 1,735.91 mi (2,793.67 km) |
