| Delaware to Casamassima | 4,912.95 mi (7,906.62 km) |
| Delaware to Casandrino | 4,802.16 mi (7,728.33 km) |
| Delaware to Casapulla | 4,798.13 mi (7,721.85 km) |
| Delaware to Casarano | 5,004.39 mi (8,053.78 km) |
| Delaware to Casatenovo | 4,412.29 mi (7,100.89 km) |
| Delaware to Casciana Terme | 4,547.36 mi (7,318.28 km) |
| Delaware to Cascina | 4,538.57 mi (7,304.13 km) |
| Delaware to Caselle Torinese | 4,362.33 mi (7,020.49 km) |
| Delaware to Caserta | 4,800.24 mi (7,725.23 km) |
| Delaware to Casier | 4,535.48 mi (7,299.15 km) |
| Delaware to Casorate Primo | 4,414.09 mi (7,103.80 km) |
| Delaware to Casoria | 4,805.63 mi (7,733.91 km) |
| Delaware to Cassano al Ionio | 4,936.88 mi (7,945.14 km) |
| Delaware to Cassano d'Adda | 4,426.73 mi (7,124.13 km) |
| Delaware to Cassano delle Murge | 4,909.53 mi (7,901.12 km) |
