| Key Largo to Carpentras | 4,816.75 mi (7,751.81 km) |
| Key Largo to Carquefou | 4,458.72 mi (7,175.61 km) |
| Key Largo to Carqueiranne | 4,884.59 mi (7,860.99 km) |
| Key Largo to Carrieres-sous-Poissy | 4,596.72 mi (7,397.70 km) |
| Key Largo to Carrieres-sur-Seine | 4,608.36 mi (7,416.45 km) |
| Key Largo to Carros | 4,924.64 mi (7,925.45 km) |
| Key Largo to Carvin | 4,614.90 mi (7,426.97 km) |
| Key Largo to Castanet-Tolosan | 4,655.04 mi (7,491.56 km) |
| Key Largo to Castelginest | 4,648.94 mi (7,481.75 km) |
| Key Largo to Castelnau-le-Lez | 4,769.42 mi (7,675.64 km) |
| Key Largo to Castelnaudary | 4,680.53 mi (7,532.59 km) |
| Key Largo to Castelsarrasin | 4,627.57 mi (7,447.35 km) |
| Key Largo to Castres | 4,690.16 mi (7,548.08 km) |
| Key Largo to Caudebec-les-Elbeuf | 4,547.05 mi (7,317.76 km) |
| Key Largo to Caudry | 4,639.82 mi (7,467.07 km) |
