| Willimantic to Cabestany | 3,711.77 mi (5,973.52 km) |
| Willimantic to Cabries | 3,797.92 mi (6,112.15 km) |
| Willimantic to Cachan | 3,511.66 mi (5,651.48 km) |
| Willimantic to Caen | 3,387.68 mi (5,451.94 km) |
| Willimantic to Cagnes-sur-Mer | 3,869.44 mi (6,227.27 km) |
| Willimantic to Cahors | 3,591.27 mi (5,779.59 km) |
| Willimantic to Calais | 3,438.73 mi (5,534.11 km) |
| Willimantic to Caluire-et-Cuire | 3,702.58 mi (5,958.72 km) |
| Willimantic to Cambrai | 3,514.16 mi (5,655.50 km) |
| Willimantic to Canet-en-Roussillon | 3,713.93 mi (5,976.99 km) |
| Willimantic to Cannes | 3,867.06 mi (6,223.43 km) |
| Willimantic to Canteleu | 3,440.55 mi (5,537.03 km) |
| Willimantic to Capbreton | 3,484.01 mi (5,606.97 km) |
| Willimantic to Carcassonne | 3,668.73 mi (5,904.25 km) |
| Willimantic to Carmaux | 3,635.07 mi (5,850.07 km) |
