| Mercer Island to Cervignano del Friuli | 5,447.25 mi (8,766.50 km) |
| Mercer Island to Cesa | 5,764.02 mi (9,276.29 km) |
| Mercer Island to Cesano Maderno | 5,357.70 mi (8,622.38 km) |
| Mercer Island to Cesena | 5,523.14 mi (8,888.63 km) |
| Mercer Island to Cesenatico | 5,523.08 mi (8,888.55 km) |
| Mercer Island to Cetraro | 5,895.63 mi (9,488.10 km) |
| Mercer Island to Cherasco | 5,382.83 mi (8,662.83 km) |
| Mercer Island to Chiampo | 5,415.11 mi (8,714.78 km) |
| Mercer Island to Chiaravalle | 5,581.96 mi (8,983.30 km) |
| Mercer Island to Chiari | 5,382.65 mi (8,662.54 km) |
| Mercer Island to Chiavari | 5,440.17 mi (8,755.11 km) |
| Mercer Island to Chieri | 5,360.34 mi (8,626.63 km) |
| Mercer Island to Chieti | 5,677.98 mi (9,137.83 km) |
| Mercer Island to Chioggia | 5,458.86 mi (8,785.18 km) |
| Mercer Island to Chiusi | 5,583.53 mi (8,985.83 km) |
