| Washougal to Cassina de' Pecchi | 5,488.70 mi (8,833.22 km) |
| Washougal to Cassino | 5,841.40 mi (9,400.83 km) |
| Washougal to Castagneto Carducci | 5,658.91 mi (9,107.13 km) |
| Washougal to Castano Primo | 5,471.25 mi (8,805.12 km) |
| Washougal to Castel Bolognese | 5,621.41 mi (9,046.78 km) |
| Washougal to Castel Gandolfo | 5,796.52 mi (9,328.59 km) |
| Washougal to Castel Goffredo | 5,529.84 mi (8,899.42 km) |
| Washougal to Castel Maggiore | 5,595.65 mi (9,005.32 km) |
| Washougal to Castel Mella | 5,509.71 mi (8,867.02 km) |
| Washougal to Castel San Giorgio | 5,906.54 mi (9,505.65 km) |
| Washougal to Castel San Giovanni | 5,517.75 mi (8,879.96 km) |
| Washougal to Castel San Pietro Terme | 5,611.00 mi (9,030.04 km) |
| Washougal to Castel Volturno | 5,870.68 mi (9,447.94 km) |
| Washougal to Castelbuono | 6,063.84 mi (9,758.80 km) |
| Washougal to Casteldaccia | 6,041.82 mi (9,723.36 km) |
