| Healdsburg to Dobrova | 6,016.15 mi (9,682.05 km) |
| Healdsburg to Dobrovnik | 6,028.90 mi (9,702.57 km) |
| Healdsburg to Dobrovo | 5,996.60 mi (9,650.60 km) |
| Healdsburg to Dol | 6,019.88 mi (9,688.06 km) |
| Healdsburg to Dolenjske Toplice | 6,050.01 mi (9,736.56 km) |
| Healdsburg to Domzale | 6,015.69 mi (9,681.31 km) |
| Healdsburg to Dornava | 6,032.31 mi (9,708.06 km) |
| Healdsburg to Dragomer | 6,017.34 mi (9,683.97 km) |
| Healdsburg to Dravograd | 5,999.97 mi (9,656.02 km) |
| Healdsburg to Gorenja Vas | 6,006.14 mi (9,665.95 km) |
| Healdsburg to Gorisnica | 6,034.93 mi (9,712.29 km) |
| Healdsburg to Gornja Radgona | 6,018.85 mi (9,686.41 km) |
| Healdsburg to Gornji Grad | 6,011.79 mi (9,675.05 km) |
| Healdsburg to Gornji Petrovci | 6,016.62 mi (9,682.81 km) |
| Healdsburg to Grad | 6,014.17 mi (9,678.87 km) |
