| Willimantic to Crawfordsville (Indiana) | 774.90 mi (1,247.09 km) |
| Willimantic to Crest Hill (Illinois) | 819.89 mi (1,319.49 km) |
| Willimantic to Crestview (Florida) | 1,099.67 mi (1,769.74 km) |
| Willimantic to Crestwood (Illinois) | 800.23 mi (1,287.84 km) |
| Willimantic to Crestwood (Missouri) | 982.13 mi (1,580.59 km) |
| Willimantic to Creve Coeur (Missouri) | 983.16 mi (1,582.24 km) |
| Willimantic to Crofton (Maryland) | 300.28 mi (483.25 km) |
| Willimantic to Crossville (Tennessee) | 795.36 mi (1,280.01 km) |
| Willimantic to Crowley (Louisiana) | 1,373.73 mi (2,210.80 km) |
| Willimantic to Crowley (Texas) | 1,514.70 mi (2,437.67 km) |
| Willimantic to Crown Point (Indiana) | 781.64 mi (1,257.93 km) |
| Willimantic to Crystal (Minnesota) | 1,083.25 mi (1,743.32 km) |
| Willimantic to Crystal Lake (Illinois) | 827.75 mi (1,332.13 km) |
| Willimantic to Cudahy (California) | 2,533.96 mi (4,078.02 km) |
| Willimantic to Cudahy (Wisconsin) | 802.83 mi (1,292.02 km) |
