| Healdsburg to Ames | 5,461.63 mi (8,789.65 km) |
| Healdsburg to Amorebieta | 5,655.80 mi (9,102.13 km) |
| Healdsburg to Amposta | 5,898.51 mi (9,492.74 km) |
| Healdsburg to Amurrio | 5,654.98 mi (9,100.81 km) |
| Healdsburg to Andoain | 5,680.48 mi (9,141.86 km) |
| Healdsburg to Andraitx | 6,021.20 mi (9,690.19 km) |
| Healdsburg to Andujar | 5,869.37 mi (9,445.84 km) |
| Healdsburg to Antequera | 5,901.31 mi (9,497.24 km) |
| Healdsburg to Antigua | 5,921.28 mi (9,529.38 km) |
| Healdsburg to Aranda de Duero | 5,699.92 mi (9,173.14 km) |
| Healdsburg to Aranjuez | 5,785.67 mi (9,311.14 km) |
| Healdsburg to Archena | 5,966.86 mi (9,602.73 km) |
| Healdsburg to Arcos de la Frontera | 5,867.06 mi (9,442.12 km) |
| Healdsburg to Arenys de Mar | 5,918.81 mi (9,525.40 km) |
| Healdsburg to Arenys de Munt | 5,916.84 mi (9,522.23 km) |
