| Delaware to Cernavoda | 5,195.95 mi (8,362.07 km) |
| Delaware to Chitila | 5,112.85 mi (8,228.33 km) |
| Delaware to Cisnadie | 4,990.89 mi (8,032.05 km) |
| Delaware to Cluj-Napoca | 4,923.45 mi (7,923.52 km) |
| Delaware to Codlea | 5,039.07 mi (8,109.61 km) |
| Delaware to Comanesti | 5,042.22 mi (8,114.66 km) |
| Delaware to Comarnic | 5,066.26 mi (8,153.36 km) |
| Delaware to Constanta | 5,225.77 mi (8,410.07 km) |
| Delaware to Corabia | 5,090.92 mi (8,193.04 km) |
| Delaware to Costesti | 5,064.64 mi (8,150.76 km) |
| Delaware to Covasna | 5,059.12 mi (8,141.87 km) |
| Delaware to Craiova | 5,039.88 mi (8,110.90 km) |
| Delaware to Cristuru Secuiesc | 4,997.43 mi (8,042.58 km) |
| Delaware to Cugir | 4,955.97 mi (7,975.86 km) |
| Delaware to Cumpana | 5,225.50 mi (8,409.63 km) |
