| Healdsburg to Camarillo (California) | 371.14 mi (597.29 km) |
| Healdsburg to Camas (Washington) | 482.65 mi (776.75 km) |
| Healdsburg to Cambridge (Maryland) | 2,498.47 mi (4,020.89 km) |
| Healdsburg to Cambridge (Massachusetts) | 2,689.02 mi (4,327.56 km) |
| Healdsburg to Camden (Arkansas) | 1,703.94 mi (2,742.22 km) |
| Healdsburg to Camden (New Jersey) | 2,524.90 mi (4,063.43 km) |
| Healdsburg to Cameron Park (California) | 101.39 mi (163.18 km) |
| Healdsburg to Camp Pendleton South (California) | 481.87 mi (775.49 km) |
| Healdsburg to Camp Springs (Maryland) | 2,450.11 mi (3,943.08 km) |
| Healdsburg to Camp Verde (Arizona) | 671.24 mi (1,080.26 km) |
| Healdsburg to Campbell (California) | 105.19 mi (169.28 km) |
| Healdsburg to Campbellsville (Kentucky) | 2,030.59 mi (3,267.92 km) |
| Healdsburg to Campton Hills (Illinois) | 1,817.78 mi (2,925.43 km) |
| Healdsburg to Canby (Oregon) | 459.06 mi (738.79 km) |
| Healdsburg to Candelaria (Puerto Rico) | 3,647.96 mi (5,870.82 km) |
