| Sammamish to Cadiz | 5,403.88 mi (8,696.71 km) |
| Sammamish to Calafell | 5,398.65 mi (8,688.30 km) |
| Sammamish to Calahorra | 5,230.03 mi (8,416.93 km) |
| Sammamish to Calasparra | 5,463.95 mi (8,793.37 km) |
| Sammamish to Calatayud | 5,292.85 mi (8,518.01 km) |
| Sammamish to Caldas de Montbuy | 5,391.87 mi (8,677.38 km) |
| Sammamish to Caldas de Reyes | 5,000.79 mi (8,047.99 km) |
| Sammamish to Calella | 5,407.35 mi (8,702.29 km) |
| Sammamish to Callosa de Segura | 5,496.25 mi (8,845.36 km) |
| Sammamish to Calpe | 5,496.16 mi (8,845.21 km) |
| Sammamish to Calvia | 5,519.58 mi (8,882.90 km) |
| Sammamish to Camas | 5,365.95 mi (8,635.67 km) |
| Sammamish to Cambados | 5,000.84 mi (8,048.08 km) |
| Sammamish to Cambre | 4,975.07 mi (8,006.60 km) |
| Sammamish to Cambrils | 5,390.83 mi (8,675.70 km) |
