| Healdsburg to Cavdir | 6,917.30 mi (11,132.31 km) |
| Healdsburg to Cay | 6,850.48 mi (11,024.78 km) |
| Healdsburg to Caybasi | 6,790.04 mi (10,927.51 km) |
| Healdsburg to Caycuma | 6,685.28 mi (10,758.92 km) |
| Healdsburg to Cayeli | 6,833.01 mi (10,996.67 km) |
| Healdsburg to Cayiralan | 6,883.11 mi (11,077.30 km) |
| Healdsburg to Cayirhan | 6,764.71 mi (10,886.75 km) |
| Healdsburg to Cayirli | 6,911.03 mi (11,122.23 km) |
| Healdsburg to Cayirova | 6,674.94 mi (10,742.27 km) |
| Healdsburg to Caykara | 6,850.23 mi (11,024.38 km) |
| Healdsburg to Cekerek | 6,830.02 mi (10,991.86 km) |
| Healdsburg to Cekme | 6,657.66 mi (10,714.47 km) |
| Healdsburg to Celtik | 6,836.57 mi (11,002.39 km) |
| Healdsburg to Cerkes | 6,739.20 mi (10,845.70 km) |
| Healdsburg to Cerkezkoy | 6,618.86 mi (10,652.03 km) |
