| Healdsburg to Curtea de Arges | 6,307.82 mi (10,151.46 km) |
| Healdsburg to Dabuleni | 6,379.36 mi (10,266.58 km) |
| Healdsburg to Darabani | 6,152.61 mi (9,901.66 km) |
| Healdsburg to Darmanesti | 6,265.71 mi (10,083.69 km) |
| Healdsburg to Dej | 6,168.19 mi (9,926.74 km) |
| Healdsburg to Deva | 6,225.03 mi (10,018.21 km) |
| Healdsburg to Dolhasca | 6,200.93 mi (9,979.43 km) |
| Healdsburg to Dorohoi | 6,163.49 mi (9,919.18 km) |
| Healdsburg to Draganesti-Olt | 6,365.52 mi (10,244.32 km) |
| Healdsburg to Dragasani | 6,329.13 mi (10,185.75 km) |
| Healdsburg to Drobeta-Turnu Severin | 6,296.55 mi (10,133.32 km) |
| Healdsburg to Fagaras | 6,269.50 mi (10,089.78 km) |
| Healdsburg to Falticeni | 6,193.30 mi (9,967.16 km) |
| Healdsburg to Fetesti | 6,415.53 mi (10,324.79 km) |
| Healdsburg to Filiasi | 6,329.80 mi (10,186.83 km) |
