| Healdsburg to Cullman (Alabama) | 2,013.74 mi (3,240.80 km) |
| Healdsburg to Culpeper (Virginia) | 2,399.54 mi (3,861.68 km) |
| Healdsburg to Culver City (California) | 404.39 mi (650.81 km) |
| Healdsburg to Cumberland (Maryland) | 2,340.70 mi (3,766.99 km) |
| Healdsburg to Cupertino (California) | 100.62 mi (161.94 km) |
| Healdsburg to Cutler Bay (Florida) | 2,620.47 mi (4,217.25 km) |
| Healdsburg to Cutlerville (Michigan) | 1,952.82 mi (3,142.76 km) |
| Healdsburg to Cuyahoga Falls (Ohio) | 2,178.13 mi (3,505.36 km) |
| Healdsburg to Cypress (California) | 427.19 mi (687.49 km) |
| Healdsburg to Cypress Gardens (Florida) | 2,465.48 mi (3,967.81 km) |
| Healdsburg to Cypress Lake (Florida) | 2,503.08 mi (4,028.31 km) |
| Healdsburg to D'Iberville (Mississippi) | 2,000.50 mi (3,219.50 km) |
| Healdsburg to Dakota Ridge (Colorado) | 951.38 mi (1,531.09 km) |
| Healdsburg to Dale City (Virginia) | 2,430.64 mi (3,911.74 km) |
| Healdsburg to Dallas (Georgia) | 2,127.61 mi (3,424.06 km) |
