| Mercer Island to Carpentras | 5,342.35 mi (8,597.68 km) |
| Mercer Island to Carquefou | 4,976.94 mi (8,009.61 km) |
| Mercer Island to Carqueiranne | 5,425.96 mi (8,732.24 km) |
| Mercer Island to Carrieres-sous-Poissy | 4,982.91 mi (8,019.22 km) |
| Mercer Island to Carrieres-sur-Seine | 4,991.63 mi (8,033.25 km) |
| Mercer Island to Carros | 5,416.57 mi (8,717.13 km) |
| Mercer Island to Carvin | 4,920.25 mi (7,918.38 km) |
| Mercer Island to Castanet-Tolosan | 5,273.26 mi (8,486.49 km) |
| Mercer Island to Castelginest | 5,261.34 mi (8,467.30 km) |
| Mercer Island to Castelnau-le-Lez | 5,334.74 mi (8,585.43 km) |
| Mercer Island to Castelnaudary | 5,297.59 mi (8,525.64 km) |
| Mercer Island to Castelsarrasin | 5,232.42 mi (8,420.77 km) |
| Mercer Island to Castres | 5,290.12 mi (8,513.63 km) |
| Mercer Island to Caudebec-les-Elbeuf | 4,937.17 mi (7,945.61 km) |
| Mercer Island to Caudry | 4,952.58 mi (7,970.40 km) |
