| Healdsburg to Argentona | 5,915.31 mi (9,519.78 km) |
| Healdsburg to Arico el Nuevo | 5,818.59 mi (9,364.12 km) |
| Healdsburg to Armilla | 5,930.39 mi (9,544.04 km) |
| Healdsburg to Arnedo | 5,728.49 mi (9,219.11 km) |
| Healdsburg to Arona | 5,814.30 mi (9,357.21 km) |
| Healdsburg to Arrecife | 5,916.60 mi (9,521.85 km) |
| Healdsburg to Arrigorriaga | 5,651.15 mi (9,094.64 km) |
| Healdsburg to Arroyomolinos | 5,763.17 mi (9,274.93 km) |
| Healdsburg to Arteijo | 5,446.87 mi (8,765.89 km) |
| Healdsburg to Arucas | 5,866.46 mi (9,441.16 km) |
| Healdsburg to Aspe | 5,974.10 mi (9,614.39 km) |
| Healdsburg to Astorga | 5,576.39 mi (8,974.34 km) |
| Healdsburg to Atarfe | 5,923.96 mi (9,533.69 km) |
| Healdsburg to Avila | 5,715.57 mi (9,198.32 km) |
| Healdsburg to Aviles | 5,528.31 mi (8,896.95 km) |
