| Richardson to Melzo | 5,320.62 mi (8,562.71 km) |
| Richardson to Mendicino | 5,855.14 mi (9,422.94 km) |
| Richardson to Menfi | 5,788.75 mi (9,316.10 km) |
| Richardson to Mentana | 5,591.65 mi (8,998.89 km) |
| Richardson to Merano | 5,343.41 mi (8,599.38 km) |
| Richardson to Merate | 5,313.52 mi (8,551.28 km) |
| Richardson to Mercato San Severino | 5,730.55 mi (9,222.43 km) |
| Richardson to Mercogliano | 5,723.61 mi (9,211.26 km) |
| Richardson to Mesagne | 5,863.42 mi (9,436.27 km) |
| Richardson to Messina | 5,874.74 mi (9,454.48 km) |
| Richardson to Mestre | 5,432.81 mi (8,743.27 km) |
| Richardson to Mestrino | 5,415.93 mi (8,716.10 km) |
| Richardson to Milan | 5,312.81 mi (8,550.14 km) |
| Richardson to Milazzo | 5,860.29 mi (9,431.22 km) |
| Richardson to Minerbio | 5,437.76 mi (8,751.22 km) |
