| Washougal to Busto Arsizio | 5,469.84 mi (8,802.86 km) |
| Washougal to Busto Garolfo | 5,474.49 mi (8,810.34 km) |
| Washougal to Cabras | 5,792.98 mi (9,322.89 km) |
| Washougal to Cadelbosco di Sopra | 5,564.37 mi (8,955.00 km) |
| Washougal to Cadoneghe | 5,557.28 mi (8,943.57 km) |
| Washougal to Cagli | 5,688.47 mi (9,154.71 km) |
| Washougal to Cagliari | 5,850.62 mi (9,415.66 km) |
| Washougal to Cairo Montenotte | 5,525.06 mi (8,891.73 km) |
| Washougal to Caivano | 5,886.40 mi (9,473.24 km) |
| Washougal to Calcinaia | 5,628.80 mi (9,058.69 km) |
| Washougal to Calcinato | 5,518.88 mi (8,881.78 km) |
| Washougal to Calderara di Reno | 5,593.12 mi (9,001.26 km) |
| Washougal to Caldogno | 5,537.52 mi (8,911.78 km) |
| Washougal to Calenzano | 5,632.09 mi (9,063.98 km) |
| Washougal to Calolziocorte | 5,473.83 mi (8,809.28 km) |
