| Willimantic to Candler-McAfee (Georgia) | 858.32 mi (1,381.33 km) |
| Willimantic to Caño Martin Peña (Puerto Rico) | 1,649.39 mi (2,654.44 km) |
| Willimantic to Cañon City (Colorado) | 1,748.83 mi (2,814.46 km) |
| Willimantic to Canóvanas (Puerto Rico) | 1,655.53 mi (2,664.32 km) |
| Willimantic to Canton (Georgia) | 843.26 mi (1,357.10 km) |
| Willimantic to Canton (Illinois) | 929.49 mi (1,495.87 km) |
| Willimantic to Canton (Mississippi) | 1,162.57 mi (1,870.98 km) |
| Willimantic to Canton (Ohio) | 479.44 mi (771.59 km) |
| Willimantic to Canyon (Texas) | 1,666.03 mi (2,681.21 km) |
| Willimantic to Canyon Lake (California) | 2,494.89 mi (4,015.13 km) |
| Willimantic to Canyon Lake (Texas) | 1,663.83 mi (2,677.68 km) |
| Willimantic to Cape Coral (Florida) | 1,180.16 mi (1,899.29 km) |
| Willimantic to Cape Girardeau (Missouri) | 971.52 mi (1,563.51 km) |
| Willimantic to Carbondale (Illinois) | 943.48 mi (1,518.38 km) |
| Willimantic to Carlisle (Pennsylvania) | 280.72 mi (451.77 km) |
