| Healdsburg to Decatur (Alabama) | 1,996.75 mi (3,213.47 km) |
| Healdsburg to Decatur (Georgia) | 2,160.42 mi (3,476.87 km) |
| Healdsburg to Decatur (Illinois) | 1,806.85 mi (2,907.84 km) |
| Healdsburg to Deer Park (New York) | 2,602.89 mi (4,188.95 km) |
| Healdsburg to Deer Park (Texas) | 1,694.21 mi (2,726.57 km) |
| Healdsburg to Deerfield (Illinois) | 1,845.57 mi (2,970.16 km) |
| Healdsburg to Deerfield Beach (Florida) | 2,606.19 mi (4,194.25 km) |
| Healdsburg to Defiance (Ohio) | 2,030.70 mi (3,268.10 km) |
| Healdsburg to DeForest (Wisconsin) | 1,766.45 mi (2,842.82 km) |
| Healdsburg to DeKalb (Illinois) | 1,800.88 mi (2,898.24 km) |
| Healdsburg to Del Aire (California) | 410.28 mi (660.28 km) |
| Healdsburg to Del City (Oklahoma) | 1,414.66 mi (2,276.68 km) |
| Healdsburg to Del Rio (Texas) | 1,407.24 mi (2,264.73 km) |
| Healdsburg to DeLand (Florida) | 2,454.44 mi (3,950.04 km) |
| Healdsburg to Delano (California) | 279.66 mi (450.08 km) |
