| Delaware to Cervignano del Friuli | 4,570.33 mi (7,355.23 km) |
| Delaware to Cesa | 4,800.10 mi (7,725.01 km) |
| Delaware to Cesano Maderno | 4,407.94 mi (7,093.90 km) |
| Delaware to Cesena | 4,591.28 mi (7,388.95 km) |
| Delaware to Cesenatico | 4,595.07 mi (7,395.06 km) |
| Delaware to Cetraro | 4,933.27 mi (7,939.33 km) |
| Delaware to Cherasco | 4,390.52 mi (7,065.87 km) |
| Delaware to Chiampo | 4,498.18 mi (7,239.12 km) |
| Delaware to Chiaravalle | 4,657.07 mi (7,494.83 km) |
| Delaware to Chiari | 4,442.25 mi (7,149.11 km) |
| Delaware to Chiavari | 4,464.03 mi (7,184.16 km) |
| Delaware to Chieri | 4,375.54 mi (7,041.75 km) |
| Delaware to Chieti | 4,741.30 mi (7,630.39 km) |
| Delaware to Chioggia | 4,551.09 mi (7,324.26 km) |
| Delaware to Chiusi | 4,622.64 mi (7,439.43 km) |
