| Herndon to Cabestany | 4,042.61 mi (6,505.96 km) |
| Herndon to Cabries | 4,129.46 mi (6,645.73 km) |
| Herndon to Cachan | 3,843.53 mi (6,185.56 km) |
| Herndon to Caen | 3,719.60 mi (5,986.11 km) |
| Herndon to Cagnes-sur-Mer | 4,201.24 mi (6,761.23 km) |
| Herndon to Cahors | 3,922.69 mi (6,312.95 km) |
| Herndon to Calais | 3,769.87 mi (6,067.03 km) |
| Herndon to Caluire-et-Cuire | 4,034.57 mi (6,493.02 km) |
| Herndon to Cambrai | 3,845.51 mi (6,188.74 km) |
| Herndon to Canet-en-Roussillon | 4,044.79 mi (6,509.47 km) |
| Herndon to Cannes | 4,198.81 mi (6,757.34 km) |
| Herndon to Canteleu | 3,772.33 mi (6,070.98 km) |
| Herndon to Capbreton | 3,814.55 mi (6,138.92 km) |
| Herndon to Carcassonne | 3,999.73 mi (6,436.95 km) |
| Herndon to Carmaux | 3,966.42 mi (6,383.34 km) |
