| Delaware to Celano | 4,726.52 mi (7,606.59 km) |
| Delaware to Cento | 4,529.05 mi (7,288.80 km) |
| Delaware to Cepagatti | 4,736.48 mi (7,622.62 km) |
| Delaware to Ceprano | 4,746.33 mi (7,638.47 km) |
| Delaware to Cercola | 4,809.09 mi (7,739.49 km) |
| Delaware to Cerea | 4,508.66 mi (7,255.99 km) |
| Delaware to Cerese | 4,495.23 mi (7,234.37 km) |
| Delaware to Cerignola | 4,857.54 mi (7,817.46 km) |
| Delaware to Cermenate | 4,402.86 mi (7,085.72 km) |
| Delaware to Cernusco sul Naviglio | 4,419.81 mi (7,113.00 km) |
| Delaware to Cerreto Guidi | 4,549.29 mi (7,321.38 km) |
| Delaware to Cerro Maggiore | 4,401.02 mi (7,082.77 km) |
| Delaware to Certaldo | 4,564.23 mi (7,345.41 km) |
| Delaware to Cerveteri | 4,668.74 mi (7,513.61 km) |
| Delaware to Cervia | 4,591.22 mi (7,388.86 km) |
