| Healdsburg to Marshall (Minnesota) | 1,449.52 mi (2,332.77 km) |
| Healdsburg to Marshall (Missouri) | 1,589.01 mi (2,557.27 km) |
| Healdsburg to Marshall (Texas) | 1,649.19 mi (2,654.11 km) |
| Healdsburg to Marshalltown (Iowa) | 1,587.22 mi (2,554.39 km) |
| Healdsburg to Marshfield (Wisconsin) | 1,726.30 mi (2,778.21 km) |
| Healdsburg to Martha Lake (Washington) | 638.21 mi (1,027.10 km) |
| Healdsburg to Martin (Tennessee) | 1,860.98 mi (2,994.95 km) |
| Healdsburg to Martinez (California) | 59.22 mi (95.31 km) |
| Healdsburg to Martinez (Georgia) | 2,284.89 mi (3,677.17 km) |
| Healdsburg to Martinsburg (West Virginia) | 2,384.23 mi (3,837.05 km) |
| Healdsburg to Martinsville (Indiana) | 1,943.17 mi (3,127.23 km) |
| Healdsburg to Martinsville (New Jersey) | 2,541.50 mi (4,090.15 km) |
| Healdsburg to Martinsville (Virginia) | 2,334.56 mi (3,757.12 km) |
| Healdsburg to Maryland City (Maryland) | 2,451.00 mi (3,944.50 km) |
| Healdsburg to Maryland Heights (Missouri) | 1,738.04 mi (2,797.11 km) |
