| Willimantic to Cibolo (Texas) | 1,674.41 mi (2,694.70 km) |
| Willimantic to Cicero (Illinois) | 800.02 mi (1,287.52 km) |
| Willimantic to Cimarron Hills (Colorado) | 1,713.36 mi (2,757.38 km) |
| Willimantic to Cincinnati (Ohio) | 670.00 mi (1,078.26 km) |
| Willimantic to Cinco Ranch (Texas) | 1,550.76 mi (2,495.70 km) |
| Willimantic to Circleville (Ohio) | 580.14 mi (933.65 km) |
| Willimantic to Citrus (California) | 2,514.21 mi (4,046.23 km) |
| Willimantic to Citrus Heights (California) | 2,562.96 mi (4,124.68 km) |
| Willimantic to Citrus Park (Florida) | 1,108.38 mi (1,783.77 km) |
| Willimantic to Claiborne (Louisiana) | 1,266.06 mi (2,037.53 km) |
| Willimantic to Claremont (California) | 2,504.96 mi (4,031.35 km) |
| Willimantic to Claremont (New Hampshire) | 115.00 mi (185.08 km) |
| Willimantic to Claremore (Oklahoma) | 1,305.71 mi (2,101.33 km) |
| Willimantic to Clarksburg (Maryland) | 316.52 mi (509.39 km) |
| Willimantic to Clarksburg (West Virginia) | 457.84 mi (736.83 km) |
