| Langley Park to Carpentras | 4,076.87 mi (6,561.08 km) |
| Langley Park to Carquefou | 3,698.27 mi (5,951.78 km) |
| Langley Park to Carqueiranne | 4,152.46 mi (6,682.75 km) |
| Langley Park to Carrieres-sous-Poissy | 3,809.18 mi (6,130.28 km) |
| Langley Park to Carrieres-sur-Seine | 3,820.68 mi (6,148.79 km) |
| Langley Park to Carros | 4,181.00 mi (6,728.67 km) |
| Langley Park to Carvin | 3,808.58 mi (6,129.32 km) |
| Langley Park to Castanet-Tolosan | 3,932.82 mi (6,329.27 km) |
| Langley Park to Castelginest | 3,924.74 mi (6,316.26 km) |
| Langley Park to Castelnau-le-Lez | 4,038.12 mi (6,498.73 km) |
| Langley Park to Castelnaudary | 3,959.31 mi (6,371.90 km) |
| Langley Park to Castelsarrasin | 3,900.09 mi (6,276.59 km) |
| Langley Park to Castres | 3,964.55 mi (6,380.33 km) |
| Langley Park to Caudebec-les-Elbeuf | 3,757.96 mi (6,047.85 km) |
| Langley Park to Caudry | 3,836.49 mi (6,174.24 km) |
