| Mastic Beach to Montevarchi | 4,130.79 mi (6,647.87 km) |
| Mastic Beach to Monticello Conte Otto | 4,062.54 mi (6,538.03 km) |
| Mastic Beach to Montichiari | 4,017.53 mi (6,465.59 km) |
| Mastic Beach to Montignoso | 4,053.20 mi (6,522.99 km) |
| Mastic Beach to Montopoli in Val d'Arno | 4,090.29 mi (6,582.69 km) |
| Mastic Beach to Monza | 3,964.12 mi (6,379.63 km) |
| Mastic Beach to Morbegno | 3,959.48 mi (6,372.17 km) |
| Mastic Beach to Mori | 4,028.88 mi (6,483.86 km) |
| Mastic Beach to Morlupo | 4,219.49 mi (6,790.62 km) |
| Mastic Beach to Morrovalle | 4,225.73 mi (6,800.66 km) |
| Mastic Beach to Mortara | 3,951.95 mi (6,360.05 km) |
| Mastic Beach to Mosciano Sant'Angelo | 4,258.69 mi (6,853.69 km) |
| Mastic Beach to Motta di Livenza | 4,100.15 mi (6,598.56 km) |
| Mastic Beach to Motta Sant'Anastasia | 4,500.16 mi (7,242.31 km) |
| Mastic Beach to Mottola | 4,473.96 mi (7,200.14 km) |
