| Sammamish to Cognac | 5,091.14 mi (8,193.39 km) |
| Sammamish to Cogolin | 5,422.02 mi (8,725.91 km) |
| Sammamish to Colmar | 5,162.43 mi (8,308.13 km) |
| Sammamish to Colombes | 4,982.86 mi (8,019.14 km) |
| Sammamish to Colomiers | 5,255.60 mi (8,458.07 km) |
| Sammamish to Combs-la-Ville | 5,005.27 mi (8,055.20 km) |
| Sammamish to Comines | 4,899.55 mi (7,885.07 km) |
| Sammamish to Compiegne | 4,970.35 mi (7,999.01 km) |
| Sammamish to Concarneau | 4,868.02 mi (7,834.33 km) |
| Sammamish to Conde-sur-l'Escaut | 4,931.94 mi (7,937.20 km) |
| Sammamish to Conflans-Sainte-Honorine | 4,974.54 mi (8,005.75 km) |
| Sammamish to Corbas | 5,238.40 mi (8,430.38 km) |
| Sammamish to Corbeil-Essonnes | 5,006.34 mi (8,056.93 km) |
| Sammamish to Cormeilles-en-Parisis | 4,978.70 mi (8,012.44 km) |
| Sammamish to Cosne sur Loire | 5,085.99 mi (8,185.11 km) |
