| Delaware to Cassina de' Pecchi | 4,421.18 mi (7,115.21 km) |
| Delaware to Cassino | 4,761.65 mi (7,663.13 km) |
| Delaware to Castagneto Carducci | 4,560.34 mi (7,339.16 km) |
| Delaware to Castano Primo | 4,395.30 mi (7,073.55 km) |
| Delaware to Castel Bolognese | 4,566.17 mi (7,348.54 km) |
| Delaware to Castel Gandolfo | 4,702.03 mi (7,567.19 km) |
| Delaware to Castel Goffredo | 4,474.68 mi (7,201.31 km) |
| Delaware to Castel Maggiore | 4,538.81 mi (7,304.50 km) |
| Delaware to Castel Mella | 4,453.89 mi (7,167.84 km) |
| Delaware to Castel San Giorgio | 4,827.25 mi (7,768.71 km) |
| Delaware to Castel San Giovanni | 4,441.07 mi (7,147.21 km) |
| Delaware to Castel San Pietro Terme | 4,554.07 mi (7,329.06 km) |
| Delaware to Castel Volturno | 4,783.36 mi (7,698.07 km) |
| Delaware to Castelbuono | 4,919.10 mi (7,916.52 km) |
| Delaware to Casteldaccia | 4,889.55 mi (7,868.97 km) |
