| Healdsburg to Yuncos | 5,773.58 mi (9,291.68 km) |
| Healdsburg to Zafra | 5,761.29 mi (9,271.90 km) |
| Healdsburg to Zamora | 5,634.37 mi (9,067.64 km) |
| Healdsburg to Zaragoza | 5,799.50 mi (9,333.39 km) |
| Healdsburg to Zarautz | 5,671.98 mi (9,128.18 km) |
| Healdsburg to Zuera | 5,791.47 mi (9,320.47 km) |
| Healdsburg to Zumaia | 5,668.20 mi (9,122.09 km) |
| Healdsburg to Zumarraga | 5,677.01 mi (9,136.27 km) |
| Healdsburg to Longyearbyen | 4,184.15 mi (6,733.74 km) |
| Healdsburg to Ahus | 5,437.48 mi (8,750.77 km) |
| Healdsburg to Akersberga | 5,304.97 mi (8,537.53 km) |
| Healdsburg to Alingsas | 5,285.09 mi (8,505.54 km) |
| Healdsburg to Almhult | 5,397.61 mi (8,686.61 km) |
| Healdsburg to Alta | 5,316.83 mi (8,556.61 km) |
| Healdsburg to Amal | 5,224.62 mi (8,408.21 km) |
