| Delaware to Chojnice | 4,424.29 mi (7,120.20 km) |
| Delaware to Chojnow | 4,460.26 mi (7,178.10 km) |
| Delaware to Chorzow | 4,606.67 mi (7,413.71 km) |
| Delaware to Choszczno | 4,370.59 mi (7,033.79 km) |
| Delaware to Chrzanow | 4,629.54 mi (7,450.52 km) |
| Delaware to Ciechanow | 4,561.78 mi (7,341.48 km) |
| Delaware to Ciechocinek | 4,498.08 mi (7,238.96 km) |
| Delaware to Cieszyn | 4,617.40 mi (7,430.98 km) |
| Delaware to Czarna Bialostocka | 4,632.27 mi (7,454.91 km) |
| Delaware to Czarnkow | 4,420.75 mi (7,114.50 km) |
| Delaware to Czechowice-Dziedzice | 4,624.31 mi (7,442.11 km) |
| Delaware to Czeladz | 4,610.10 mi (7,419.24 km) |
| Delaware to Czersk Pomorski | 4,435.16 mi (7,137.70 km) |
| Delaware to Czestochowa | 4,592.49 mi (7,390.91 km) |
| Delaware to Czluchow | 4,419.30 mi (7,112.17 km) |
