| Sammamish to Celano | 5,672.57 mi (9,129.12 km) |
| Sammamish to Cento | 5,457.26 mi (8,782.61 km) |
| Sammamish to Cepagatti | 5,667.87 mi (9,121.56 km) |
| Sammamish to Ceprano | 5,704.16 mi (9,179.96 km) |
| Sammamish to Cercola | 5,766.23 mi (9,279.85 km) |
| Sammamish to Cerea | 5,427.71 mi (8,735.06 km) |
| Sammamish to Cerese | 5,425.23 mi (8,731.06 km) |
| Sammamish to Cerignola | 5,778.96 mi (9,300.33 km) |
| Sammamish to Cermenate | 5,345.19 mi (8,602.26 km) |
| Sammamish to Cernusco sul Naviglio | 5,362.29 mi (8,629.78 km) |
| Sammamish to Cerreto Guidi | 5,505.15 mi (8,859.69 km) |
| Sammamish to Cerro Maggiore | 5,347.74 mi (8,606.35 km) |
| Sammamish to Certaldo | 5,522.19 mi (8,887.11 km) |
| Sammamish to Cerveteri | 5,641.70 mi (9,079.44 km) |
| Sammamish to Cervia | 5,511.91 mi (8,870.56 km) |
