| Healdsburg to Commerce (California) | 413.42 mi (665.34 km) |
| Healdsburg to Commerce City (Colorado) | 966.53 mi (1,555.48 km) |
| Healdsburg to Compton (California) | 416.45 mi (670.21 km) |
| Healdsburg to Comstock Park (Michigan) | 1,951.62 mi (3,140.83 km) |
| Healdsburg to Concord (California) | 64.89 mi (104.43 km) |
| Healdsburg to Concord (Missouri) | 1,746.84 mi (2,811.27 km) |
| Healdsburg to Concord (New Hampshire) | 2,655.07 mi (4,272.93 km) |
| Healdsburg to Concord (North Carolina) | 2,320.10 mi (3,733.84 km) |
| Healdsburg to Conneaut (Ohio) | 2,218.68 mi (3,570.61 km) |
| Healdsburg to Connersville (Indiana) | 2,007.88 mi (3,231.38 km) |
| Healdsburg to Conroe (Texas) | 1,654.13 mi (2,662.07 km) |
| Healdsburg to Converse (Texas) | 1,533.79 mi (2,468.40 km) |
| Healdsburg to Conway (Arkansas) | 1,690.51 mi (2,720.62 km) |
| Healdsburg to Conway (Florida) | 2,468.64 mi (3,972.90 km) |
| Healdsburg to Conway (South Carolina) | 2,441.38 mi (3,929.02 km) |
