| Sammamish to Castrovillari | 5,875.42 mi (9,455.58 km) |
| Sammamish to Catania | 5,990.71 mi (9,641.11 km) |
| Sammamish to Catanzaro | 5,941.62 mi (9,562.11 km) |
| Sammamish to Cattolica | 5,538.65 mi (8,913.60 km) |
| Sammamish to Cava de' Tirreni | 5,784.96 mi (9,309.99 km) |
| Sammamish to Cavallino | 5,891.15 mi (9,480.89 km) |
| Sammamish to Cavarzere | 5,452.44 mi (8,774.85 km) |
| Sammamish to Cave | 5,673.57 mi (9,130.73 km) |
| Sammamish to Cavriago | 5,440.73 mi (8,756.00 km) |
| Sammamish to Cavriglia | 5,535.09 mi (8,907.87 km) |
| Sammamish to Cazzago San Martino | 5,375.70 mi (8,651.36 km) |
| Sammamish to Ceccano | 5,698.62 mi (9,171.05 km) |
| Sammamish to Cecina | 5,522.78 mi (8,888.06 km) |
| Sammamish to Cefalu | 5,930.85 mi (9,544.77 km) |
| Sammamish to Ceglie Messapico | 5,854.39 mi (9,421.73 km) |
