| Sammamish to Cehegin | 5,468.44 mi (8,800.61 km) |
| Sammamish to Cervello | 5,399.14 mi (8,689.08 km) |
| Sammamish to Cervera | 5,363.47 mi (8,631.67 km) |
| Sammamish to Ceuti | 5,486.14 mi (8,829.09 km) |
| Sammamish to Cheste | 5,426.51 mi (8,733.13 km) |
| Sammamish to Chiclana de la Frontera | 5,415.38 mi (8,715.21 km) |
| Sammamish to Chipiona | 5,388.47 mi (8,671.90 km) |
| Sammamish to Chiva | 5,425.87 mi (8,732.10 km) |
| Sammamish to Churriana de la Vega | 5,459.95 mi (8,786.94 km) |
| Sammamish to Ciempozuelos | 5,295.72 mi (8,522.63 km) |
| Sammamish to Cieza | 5,472.49 mi (8,807.13 km) |
| Sammamish to Cisterniga | 5,182.09 mi (8,339.78 km) |
| Sammamish to Ciudad de Melilla | 5,586.64 mi (8,990.83 km) |
| Sammamish to Ciudad Real | 5,350.45 mi (8,610.72 km) |
| Sammamish to Ciudad-Rodrigo | 5,176.68 mi (8,331.07 km) |
