| Delaware to Cabestany | 4,248.67 mi (6,837.57 km) |
| Delaware to Cabries | 4,328.15 mi (6,965.48 km) |
| Delaware to Cachan | 4,022.44 mi (6,473.49 km) |
| Delaware to Caen | 3,900.41 mi (6,277.10 km) |
| Delaware to Cagnes-sur-Mer | 4,395.90 mi (7,074.52 km) |
| Delaware to Cahors | 4,123.46 mi (6,636.06 km) |
| Delaware to Calais | 3,938.52 mi (6,338.44 km) |
| Delaware to Caluire-et-Cuire | 4,223.77 mi (6,797.50 km) |
| Delaware to Cambrai | 4,016.17 mi (6,463.41 km) |
| Delaware to Canet-en-Roussillon | 4,250.64 mi (6,840.74 km) |
| Delaware to Cannes | 4,394.20 mi (7,071.78 km) |
| Delaware to Canteleu | 3,949.81 mi (6,356.60 km) |
| Delaware to Capbreton | 4,023.41 mi (6,475.05 km) |
| Delaware to Carcassonne | 4,204.49 mi (6,766.48 km) |
| Delaware to Carmaux | 4,167.82 mi (6,707.45 km) |
