| Healdsburg to Candler-McAfee (Georgia) | 2,162.78 mi (3,480.66 km) |
| Healdsburg to Caño Martin Peña (Puerto Rico) | 3,655.86 mi (5,883.54 km) |
| Healdsburg to Cañon City (Colorado) | 952.28 mi (1,532.55 km) |
| Healdsburg to Canóvanas (Puerto Rico) | 3,666.35 mi (5,900.42 km) |
| Healdsburg to Canton (Georgia) | 2,138.86 mi (3,442.15 km) |
| Healdsburg to Canton (Illinois) | 1,742.68 mi (2,804.57 km) |
| Healdsburg to Canton (Mississippi) | 1,880.10 mi (3,025.73 km) |
| Healdsburg to Canton (Ohio) | 2,190.09 mi (3,524.60 km) |
| Healdsburg to Canyon (Texas) | 1,182.81 mi (1,903.54 km) |
| Healdsburg to Canyon Lake (California) | 462.31 mi (744.02 km) |
| Healdsburg to Canyon Lake (Texas) | 1,523.43 mi (2,451.73 km) |
| Healdsburg to Cape Coral (Florida) | 2,494.33 mi (4,014.23 km) |
| Healdsburg to Cape Girardeau (Missouri) | 1,806.48 mi (2,907.25 km) |
| Healdsburg to Carbondale (Illinois) | 1,818.12 mi (2,925.99 km) |
| Healdsburg to Carlisle (Pennsylvania) | 2,412.82 mi (3,883.06 km) |
