| Allen Park to Cadiz | 3,983.69 mi (6,411.13 km) |
| Allen Park to Calafell | 4,174.66 mi (6,718.47 km) |
| Allen Park to Calahorra | 3,979.32 mi (6,404.10 km) |
| Allen Park to Calasparra | 4,136.54 mi (6,657.12 km) |
| Allen Park to Calatayud | 4,027.25 mi (6,481.22 km) |
| Allen Park to Caldas de Montbuy | 4,185.05 mi (6,735.19 km) |
| Allen Park to Caldas de Reyes | 3,670.27 mi (5,906.72 km) |
| Allen Park to Calella | 4,207.34 mi (6,771.06 km) |
| Allen Park to Callosa de Segura | 4,178.17 mi (6,724.12 km) |
| Allen Park to Calpe | 4,200.88 mi (6,760.66 km) |
| Allen Park to Calvia | 4,277.08 mi (6,883.29 km) |
| Allen Park to Camas | 3,965.09 mi (6,381.20 km) |
| Allen Park to Cambados | 3,666.14 mi (5,900.08 km) |
| Allen Park to Cambre | 3,662.92 mi (5,894.91 km) |
| Allen Park to Cambrils | 4,156.90 mi (6,689.89 km) |
