| Grays to Crest Hill (Illinois) | 3,998.64 mi (6,435.19 km) |
| Grays to Crestview (Florida) | 4,463.82 mi (7,183.83 km) |
| Grays to Crestwood (Illinois) | 3,981.05 mi (6,406.88 km) |
| Grays to Crestwood (Missouri) | 4,229.19 mi (6,806.23 km) |
| Grays to Creve Coeur (Missouri) | 4,226.57 mi (6,802.00 km) |
| Grays to Crofton (Maryland) | 3,664.62 mi (5,897.63 km) |
| Grays to Crossville (Tennessee) | 4,145.08 mi (6,670.86 km) |
| Grays to Crowley (Louisiana) | 4,725.09 mi (7,604.29 km) |
| Grays to Crowley (Texas) | 4,798.51 mi (7,722.46 km) |
| Grays to Crown Point (Indiana) | 3,976.81 mi (6,400.06 km) |
| Grays to Crystal (Minnesota) | 4,029.25 mi (6,484.45 km) |
| Grays to Crystal Lake (Illinois) | 3,976.19 mi (6,399.05 km) |
| Grays to Cudahy (California) | 5,459.79 mi (8,786.68 km) |
| Grays to Cudahy (Wisconsin) | 3,925.33 mi (6,317.21 km) |
| Grays to Cullman (Alabama) | 4,304.17 mi (6,926.89 km) |
