| Healdsburg to Manerbio | 5,941.68 mi (9,562.20 km) |
| Healdsburg to Manfredonia | 6,315.62 mi (10,164.00 km) |
| Healdsburg to Maniago | 5,965.69 mi (9,600.85 km) |
| Healdsburg to Mantova | 5,971.84 mi (9,610.75 km) |
| Healdsburg to Maranello | 6,009.43 mi (9,671.25 km) |
| Healdsburg to Marano di Napoli | 6,311.62 mi (10,157.58 km) |
| Healdsburg to Marano Vicentino | 5,958.35 mi (9,589.04 km) |
| Healdsburg to Marcianise | 6,307.06 mi (10,150.24 km) |
| Healdsburg to Marcon | 5,989.99 mi (9,639.96 km) |
| Healdsburg to Mareno di Piave | 5,974.87 mi (9,615.63 km) |
| Healdsburg to Margherita di Savoia | 6,337.62 mi (10,199.42 km) |
| Healdsburg to Mariano Comense | 5,896.32 mi (9,489.22 km) |
| Healdsburg to Marigliano | 6,317.07 mi (10,166.34 km) |
| Healdsburg to Marino | 6,218.74 mi (10,008.10 km) |
| Healdsburg to Marostica | 5,961.73 mi (9,594.48 km) |
