| Delaware to Collegno | 4,362.83 mi (7,021.30 km) |
| Delaware to Cologno al Serio | 4,432.40 mi (7,133.27 km) |
| Delaware to Cologno Monzese | 4,417.12 mi (7,108.66 km) |
| Delaware to Colorno | 4,484.55 mi (7,217.19 km) |
| Delaware to Comacchio | 4,567.14 mi (7,350.10 km) |
| Delaware to Comiso | 4,981.99 mi (8,017.74 km) |
| Delaware to Como | 4,398.97 mi (7,079.45 km) |
| Delaware to Concordia Sagittaria | 4,553.11 mi (7,327.52 km) |
| Delaware to Concorezzo | 4,417.25 mi (7,108.87 km) |
| Delaware to Conegliano | 4,526.35 mi (7,284.46 km) |
| Delaware to Conselice | 4,559.86 mi (7,338.39 km) |
| Delaware to Conselve | 4,533.85 mi (7,296.52 km) |
| Delaware to Conversano | 4,920.53 mi (7,918.82 km) |
| Delaware to Copertino | 4,988.85 mi (8,028.78 km) |
| Delaware to Copparo | 4,545.20 mi (7,314.79 km) |
