| Washougal to Castelletto sopra Ticino | 5,458.07 mi (8,783.92 km) |
| Washougal to Castelli Calepio | 5,495.52 mi (8,844.18 km) |
| Washougal to Castelnovo ne' Monti | 5,578.93 mi (8,978.42 km) |
| Washougal to Castelnuovo Berardenga | 5,671.57 mi (9,127.50 km) |
| Washougal to Castelnuovo di Porto | 5,769.48 mi (9,285.08 km) |
| Washougal to Castelnuovo di Verona | 5,529.23 mi (8,898.43 km) |
| Washougal to Castelnuovo Rangone | 5,585.67 mi (8,989.26 km) |
| Washougal to Castelvetrano | 6,044.07 mi (9,726.98 km) |
| Washougal to Castelvetro di Modena | 5,589.05 mi (8,994.70 km) |
| Washougal to Castenaso | 5,601.65 mi (9,014.98 km) |
| Washougal to Castenedolo | 5,515.17 mi (8,875.81 km) |
| Washougal to Castiglion Fiorentino | 5,682.35 mi (9,144.86 km) |
| Washougal to Castiglione del Lago | 5,697.87 mi (9,169.83 km) |
| Washougal to Castiglione delle Stiviere | 5,524.47 mi (8,890.77 km) |
| Washougal to Castrolibero | 6,033.29 mi (9,709.64 km) |
