| Willimantic to Central Point (Oregon) | 2,562.11 mi (4,123.31 km) |
| Willimantic to Centralia (Illinois) | 918.74 mi (1,478.57 km) |
| Willimantic to Centralia (Washington) | 2,492.98 mi (4,012.06 km) |
| Willimantic to Centreville (Virginia) | 339.71 mi (546.71 km) |
| Willimantic to Ceres (California) | 2,574.17 mi (4,142.73 km) |
| Willimantic to Cerritos (California) | 2,530.97 mi (4,073.20 km) |
| Willimantic to Chalco (Nebraska) | 1,235.54 mi (1,988.40 km) |
| Willimantic to Chalmette (Louisiana) | 1,280.31 mi (2,060.46 km) |
| Willimantic to Chambersburg (Pennsylvania) | 310.16 mi (499.15 km) |
| Willimantic to Chamblee (Georgia) | 852.05 mi (1,371.24 km) |
| Willimantic to Champaign (Illinois) | 844.67 mi (1,359.36 km) |
| Willimantic to Champlin (Minnesota) | 1,085.52 mi (1,746.97 km) |
| Willimantic to Chandler (Arizona) | 2,228.43 mi (3,586.31 km) |
| Willimantic to Chanhassen (Minnesota) | 1,092.15 mi (1,757.65 km) |
| Willimantic to Channahon (Illinois) | 828.64 mi (1,333.57 km) |
