| Delaware to Corato | 4,883.15 mi (7,858.68 km) |
| Delaware to Corbetta | 4,404.50 mi (7,088.36 km) |
| Delaware to Corciano | 4,631.98 mi (7,454.45 km) |
| Delaware to Cordenons | 4,538.80 mi (7,304.49 km) |
| Delaware to Cori | 4,717.11 mi (7,591.45 km) |
| Delaware to Coriano | 4,612.57 mi (7,423.22 km) |
| Delaware to Corigliano Calabro | 4,953.03 mi (7,971.13 km) |
| Delaware to Corleone | 4,888.96 mi (7,868.01 km) |
| Delaware to Cormano | 4,411.75 mi (7,100.03 km) |
| Delaware to Cornaredo | 4,408.09 mi (7,094.14 km) |
| Delaware to Cornate d'Adda | 4,420.40 mi (7,113.95 km) |
| Delaware to Cornedo Vicentino | 4,498.37 mi (7,239.43 km) |
| Delaware to Correggio | 4,507.07 mi (7,253.43 km) |
| Delaware to Corridonia | 4,678.46 mi (7,529.25 km) |
| Delaware to Corsico | 4,413.96 mi (7,103.58 km) |
