| Washougal to Carmona | 5,482.65 mi (8,823.48 km) |
| Washougal to Cartagena | 5,633.54 mi (9,066.30 km) |
| Washougal to Cartama | 5,558.02 mi (8,944.78 km) |
| Washougal to Cartaya | 5,439.00 mi (8,753.22 km) |
| Washougal to Caspe | 5,463.86 mi (8,793.23 km) |
| Washougal to Cassa de la Selva | 5,516.27 mi (8,877.58 km) |
| Washougal to Castalla | 5,588.85 mi (8,994.39 km) |
| Washougal to Castellbisbal | 5,512.53 mi (8,871.55 km) |
| Washougal to Castelldefels | 5,523.36 mi (8,888.99 km) |
| Washougal to Castello de Ampurias | 5,501.48 mi (8,853.78 km) |
| Washougal to Castellon de la Plana | 5,532.88 mi (8,904.30 km) |
| Washougal to Castilleja de la Cuesta | 5,472.52 mi (8,807.16 km) |
| Washougal to Catarroja | 5,553.04 mi (8,936.75 km) |
| Washougal to Catral | 5,608.56 mi (9,026.10 km) |
| Washougal to Caudete | 5,572.57 mi (8,968.19 km) |
