| Unye to Cadiz | 2,342.38 mi (3,769.69 km) |
| Unye to Calafell | 1,844.31 mi (2,968.13 km) |
| Unye to Calahorra | 2,007.85 mi (3,231.32 km) |
| Unye to Calasparra | 2,065.27 mi (3,323.72 km) |
| Unye to Calatayud | 2,004.62 mi (3,226.12 km) |
| Unye to Caldas de Montbuy | 1,808.06 mi (2,909.79 km) |
| Unye to Caldas de Reyes | 2,335.68 mi (3,758.92 km) |
| Unye to Calella | 1,783.06 mi (2,869.55 km) |
| Unye to Callosa de Segura | 2,025.22 mi (3,259.28 km) |
| Unye to Calpe | 1,966.63 mi (3,164.99 km) |
| Unye to Calvia | 1,822.30 mi (2,932.71 km) |
| Unye to Camas | 2,307.47 mi (3,713.51 km) |
| Unye to Cambados | 2,345.35 mi (3,774.48 km) |
| Unye to Cambre | 2,310.14 mi (3,717.81 km) |
| Unye to Cambrils | 1,872.34 mi (3,013.24 km) |
