| Washougal to Cadiz | 5,508.88 mi (8,865.68 km) |
| Washougal to Calafell | 5,515.35 mi (8,876.10 km) |
| Washougal to Calahorra | 5,344.66 mi (8,601.40 km) |
| Washougal to Calasparra | 5,575.15 mi (8,972.34 km) |
| Washougal to Calatayud | 5,406.92 mi (8,701.59 km) |
| Washougal to Caldas de Montbuy | 5,509.41 mi (8,866.54 km) |
| Washougal to Caldas de Reyes | 5,109.90 mi (8,223.58 km) |
| Washougal to Calella | 5,525.29 mi (8,892.09 km) |
| Washougal to Callosa de Segura | 5,608.14 mi (9,025.43 km) |
| Washougal to Calpe | 5,609.37 mi (9,027.40 km) |
| Washougal to Calvia | 5,635.77 mi (9,069.90 km) |
| Washougal to Camas | 5,472.11 mi (8,806.51 km) |
| Washougal to Cambados | 5,109.69 mi (8,223.26 km) |
| Washougal to Cambre | 5,085.16 mi (8,183.77 km) |
| Washougal to Cambrils | 5,506.98 mi (8,862.62 km) |
