| Upper Grand Lagoon to Melzo | 4,995.69 mi (8,039.79 km) |
| Upper Grand Lagoon to Mendicino | 5,503.43 mi (8,856.92 km) |
| Upper Grand Lagoon to Menfi | 5,409.24 mi (8,705.34 km) |
| Upper Grand Lagoon to Mentana | 5,248.10 mi (8,446.01 km) |
| Upper Grand Lagoon to Merano | 5,035.88 mi (8,104.46 km) |
| Upper Grand Lagoon to Merate | 4,990.51 mi (8,031.45 km) |
| Upper Grand Lagoon to Mercato San Severino | 5,385.32 mi (8,666.84 km) |
| Upper Grand Lagoon to Mercogliano | 5,379.47 mi (8,657.41 km) |
| Upper Grand Lagoon to Mesagne | 5,529.84 mi (8,899.42 km) |
| Upper Grand Lagoon to Messina | 5,511.34 mi (8,869.64 km) |
| Upper Grand Lagoon to Mestre | 5,118.57 mi (8,237.54 km) |
| Upper Grand Lagoon to Mestrino | 5,099.48 mi (8,206.82 km) |
| Upper Grand Lagoon to Milan | 4,986.74 mi (8,025.38 km) |
| Upper Grand Lagoon to Milazzo | 5,495.67 mi (8,844.43 km) |
| Upper Grand Lagoon to Minerbio | 5,112.58 mi (8,227.90 km) |
