| Washougal to Cervignano del Friuli | 5,568.97 mi (8,962.39 km) |
| Washougal to Cesa | 5,883.71 mi (9,468.91 km) |
| Washougal to Cesano Maderno | 5,476.34 mi (8,813.32 km) |
| Washougal to Cesena | 5,643.13 mi (9,081.75 km) |
| Washougal to Cesenatico | 5,643.23 mi (9,081.89 km) |
| Washougal to Cetraro | 6,015.87 mi (9,681.61 km) |
| Washougal to Cherasco | 5,499.87 mi (8,851.19 km) |
| Washougal to Chiampo | 5,535.25 mi (8,908.12 km) |
| Washougal to Chiaravalle | 5,702.45 mi (9,177.20 km) |
| Washougal to Chiari | 5,501.76 mi (8,854.23 km) |
| Washougal to Chiavari | 5,558.11 mi (8,944.91 km) |
| Washougal to Chieri | 5,477.59 mi (8,815.33 km) |
| Washougal to Chieti | 5,798.39 mi (9,331.60 km) |
| Washougal to Chioggia | 5,579.50 mi (8,979.35 km) |
| Washougal to Chiusi | 5,702.65 mi (9,177.52 km) |
