| Gretz-Armainvilliers to Crest Hill (Illinois) | 4,184.18 mi (6,733.78 km) |
| Gretz-Armainvilliers to Crestview (Florida) | 4,627.53 mi (7,447.29 km) |
| Gretz-Armainvilliers to Crestwood (Illinois) | 4,166.29 mi (6,704.99 km) |
| Gretz-Armainvilliers to Crestwood (Missouri) | 4,412.36 mi (7,101.01 km) |
| Gretz-Armainvilliers to Creve Coeur (Missouri) | 4,409.99 mi (7,097.20 km) |
| Gretz-Armainvilliers to Crofton (Maryland) | 3,830.09 mi (6,163.93 km) |
| Gretz-Armainvilliers to Crossville (Tennessee) | 4,316.37 mi (6,946.53 km) |
| Gretz-Armainvilliers to Crowley (Louisiana) | 4,897.17 mi (7,881.23 km) |
| Gretz-Armainvilliers to Crowley (Texas) | 4,981.49 mi (8,016.93 km) |
| Gretz-Armainvilliers to Crown Point (Indiana) | 4,161.20 mi (6,696.80 km) |
| Gretz-Armainvilliers to Crystal (Minnesota) | 4,225.42 mi (6,800.16 km) |
| Gretz-Armainvilliers to Crystal Lake (Illinois) | 4,163.09 mi (6,699.84 km) |
| Gretz-Armainvilliers to Cudahy (California) | 5,666.59 mi (9,119.49 km) |
| Gretz-Armainvilliers to Cudahy (Wisconsin) | 4,112.92 mi (6,619.11 km) |
| Gretz-Armainvilliers to Cullman (Alabama) | 4,474.78 mi (7,201.46 km) |
