| Herndon to Carpentras | 4,095.71 mi (6,591.42 km) |
| Herndon to Carquefou | 3,716.84 mi (5,981.68 km) |
| Herndon to Carqueiranne | 4,171.43 mi (6,713.27 km) |
| Herndon to Carrieres-sous-Poissy | 3,827.14 mi (6,159.19 km) |
| Herndon to Carrieres-sur-Seine | 3,838.64 mi (6,177.69 km) |
| Herndon to Carros | 4,199.75 mi (6,758.84 km) |
| Herndon to Carvin | 3,826.10 mi (6,157.51 km) |
| Herndon to Castanet-Tolosan | 3,952.02 mi (6,360.17 km) |
| Herndon to Castelginest | 3,943.91 mi (6,347.10 km) |
| Herndon to Castelnau-le-Lez | 4,057.14 mi (6,529.33 km) |
| Herndon to Castelnaudary | 3,978.52 mi (6,402.81 km) |
| Herndon to Castelsarrasin | 3,919.21 mi (6,307.36 km) |
| Herndon to Castres | 3,983.69 mi (6,411.12 km) |
| Herndon to Caudebec-les-Elbeuf | 3,775.90 mi (6,076.73 km) |
| Herndon to Caudry | 3,854.07 mi (6,202.53 km) |
