| Healdsburg to Arroyo Grande (California) | 272.58 mi (438.67 km) |
| Healdsburg to Artesia (California) | 422.95 mi (680.68 km) |
| Healdsburg to Artesia (New Mexico) | 1,105.88 mi (1,779.74 km) |
| Healdsburg to Artondale (Washington) | 599.82 mi (965.31 km) |
| Healdsburg to Arvada (Colorado) | 950.22 mi (1,529.23 km) |
| Healdsburg to Arvin (California) | 325.17 mi (523.30 km) |
| Healdsburg to Asbury Lake (Florida) | 2,396.34 mi (3,856.53 km) |
| Healdsburg to Asbury Park (New Jersey) | 2,576.43 mi (4,146.36 km) |
| Healdsburg to Ashburn (Virginia) | 2,417.58 mi (3,890.73 km) |
| Healdsburg to Asheboro (North Carolina) | 2,357.17 mi (3,793.50 km) |
| Healdsburg to Asheville (North Carolina) | 2,213.75 mi (3,562.68 km) |
| Healdsburg to Ashland (California) | 75.96 mi (122.24 km) |
| Healdsburg to Ashland (Kentucky) | 2,155.81 mi (3,469.44 km) |
| Healdsburg to Ashland (Ohio) | 2,140.54 mi (3,444.87 km) |
| Healdsburg to Ashland (Oregon) | 246.69 mi (397.00 km) |
