| Healdsburg to Montevarchi | 6,086.49 mi (9,795.26 km) |
| Healdsburg to Monticello Conte Otto | 5,968.13 mi (9,604.78 km) |
| Healdsburg to Montichiari | 5,946.04 mi (9,569.23 km) |
| Healdsburg to Montignoso | 6,019.11 mi (9,686.81 km) |
| Healdsburg to Montopoli in Val d'Arno | 6,055.53 mi (9,745.44 km) |
| Healdsburg to Monza | 5,905.40 mi (9,503.83 km) |
| Healdsburg to Morbegno | 5,882.64 mi (9,467.20 km) |
| Healdsburg to Mori | 5,937.58 mi (9,555.62 km) |
| Healdsburg to Morlupo | 6,192.40 mi (9,965.71 km) |
| Healdsburg to Morrovalle | 6,154.13 mi (9,904.11 km) |
| Healdsburg to Mortara | 5,909.30 mi (9,510.10 km) |
| Healdsburg to Mosciano Sant'Angelo | 6,195.30 mi (9,970.37 km) |
| Healdsburg to Motta di Livenza | 5,985.20 mi (9,632.25 km) |
| Healdsburg to Motta Sant'Anastasia | 6,533.14 mi (10,514.08 km) |
| Healdsburg to Mottola | 6,404.67 mi (10,307.32 km) |
