| Healdsburg to Camardi | 6,969.78 mi (11,216.78 km) |
| Healdsburg to Camas | 6,803.87 mi (10,949.77 km) |
| Healdsburg to Camliyayla | 7,007.17 mi (11,276.94 km) |
| Healdsburg to Camoluk | 6,872.38 mi (11,060.03 km) |
| Healdsburg to Can | 6,679.43 mi (10,749.51 km) |
| Healdsburg to Canakkale | 6,658.04 mi (10,715.08 km) |
| Healdsburg to Cankaya | 6,797.26 mi (10,939.13 km) |
| Healdsburg to Cankiri | 6,765.48 mi (10,887.98 km) |
| Healdsburg to Cardak | 6,873.87 mi (11,062.42 km) |
| Healdsburg to Carsamba | 6,773.72 mi (10,901.25 km) |
| Healdsburg to Carsibasi | 6,817.13 mi (10,971.10 km) |
| Healdsburg to Cat | 6,935.50 mi (11,161.60 km) |
| Healdsburg to Catalagzi | 6,676.88 mi (10,745.41 km) |
| Healdsburg to Catalca | 6,637.05 mi (10,681.30 km) |
| Healdsburg to Catalpinar | 6,805.26 mi (10,952.00 km) |
