| Healdsburg to Denizli | 6,865.66 mi (11,049.21 km) |
| Healdsburg to Derecik | 7,142.67 mi (11,495.02 km) |
| Healdsburg to Dereli | 6,828.29 mi (10,989.07 km) |
| Healdsburg to Derik | 7,077.91 mi (11,390.79 km) |
| Healdsburg to Derinkuyu | 6,930.06 mi (11,152.85 km) |
| Healdsburg to Develi | 6,941.29 mi (11,170.93 km) |
| Healdsburg to Dicle | 7,007.60 mi (11,277.65 km) |
| Healdsburg to Digor | 6,910.16 mi (11,120.83 km) |
| Healdsburg to Dikili | 6,736.94 mi (10,842.05 km) |
| Healdsburg to Divrigi | 6,915.28 mi (11,129.07 km) |
| Healdsburg to Diyadin | 6,969.50 mi (11,216.32 km) |
| Healdsburg to Diyarbakir | 7,040.96 mi (11,331.33 km) |
| Healdsburg to Doganhisar | 6,891.67 mi (11,091.08 km) |
| Healdsburg to Dogansehir | 6,996.72 mi (11,260.13 km) |
| Healdsburg to Dogubayazit | 6,972.95 mi (11,221.89 km) |
