| Allen Park to Cocentaina | 4,175.12 mi (6,719.21 km) |
| Allen Park to Coin | 4,051.98 mi (6,521.03 km) |
| Allen Park to Colindres | 3,876.78 mi (6,239.08 km) |
| Allen Park to Collado-Villalba | 3,945.31 mi (6,349.36 km) |
| Allen Park to Colmenar Viejo | 3,955.43 mi (6,365.64 km) |
| Allen Park to Colmenarejo | 3,947.43 mi (6,352.77 km) |
| Allen Park to Conil de la Frontera | 4,003.54 mi (6,443.07 km) |
| Allen Park to Consuegra | 4,004.62 mi (6,444.82 km) |
| Allen Park to Corbera de Llobregat | 4,182.64 mi (6,731.30 km) |
| Allen Park to Cordoba | 4,006.56 mi (6,447.94 km) |
| Allen Park to Coria del Rio | 3,968.54 mi (6,386.74 km) |
| Allen Park to Crevillente | 4,176.73 mi (6,721.79 km) |
| Allen Park to Cuarte de Huerva | 4,050.91 mi (6,519.32 km) |
| Allen Park to Cubellas | 4,178.90 mi (6,725.29 km) |
| Allen Park to Cuellar | 3,905.18 mi (6,284.78 km) |
