| Formia to Crest Hill (Illinois) | 4,914.90 mi (7,909.76 km) |
| Formia to Crestview (Florida) | 5,328.65 mi (8,575.63 km) |
| Formia to Crestwood (Illinois) | 4,896.73 mi (7,880.53 km) |
| Formia to Crestwood (Missouri) | 5,140.40 mi (8,272.68 km) |
| Formia to Creve Coeur (Missouri) | 5,138.30 mi (8,269.30 km) |
| Formia to Crofton (Maryland) | 4,536.53 mi (7,300.84 km) |
| Formia to Crossville (Tennessee) | 5,029.74 mi (8,094.58 km) |
| Formia to Crowley (Louisiana) | 5,610.29 mi (9,028.90 km) |
| Formia to Crowley (Texas) | 5,708.63 mi (9,187.15 km) |
| Formia to Crown Point (Indiana) | 4,890.80 mi (7,870.98 km) |
| Formia to Crystal (Minnesota) | 4,963.94 mi (7,988.69 km) |
| Formia to Crystal Lake (Illinois) | 4,895.12 mi (7,877.93 km) |
| Formia to Cudahy (California) | 6,404.73 mi (10,307.42 km) |
| Formia to Cudahy (Wisconsin) | 4,845.62 mi (7,798.27 km) |
| Formia to Cullman (Alabama) | 5,186.79 mi (8,347.33 km) |
