| The Woodlands to Mangualde | 4,790.75 mi (7,709.96 km) |
| The Woodlands to Marco de Canavezes | 4,756.72 mi (7,655.21 km) |
| The Woodlands to Marinha Grande | 4,756.07 mi (7,654.16 km) |
| The Woodlands to Massama | 4,765.28 mi (7,668.98 km) |
| The Woodlands to Matosinhos | 4,730.21 mi (7,612.54 km) |
| The Woodlands to Mealhada | 4,763.12 mi (7,665.50 km) |
| The Woodlands to Melgaco | 4,727.00 mi (7,607.37 km) |
| The Woodlands to Melres | 4,747.71 mi (7,640.70 km) |
| The Woodlands to Mira | 4,748.02 mi (7,641.19 km) |
| The Woodlands to Miranda do Corvo | 4,776.27 mi (7,686.66 km) |
| The Woodlands to Mirandela | 4,795.22 mi (7,717.16 km) |
| The Woodlands to Mogadouro | 4,821.50 mi (7,759.46 km) |
| The Woodlands to Moimenta da Beira | 4,787.91 mi (7,705.40 km) |
| The Woodlands to Moita | 4,782.63 mi (7,696.89 km) |
| The Woodlands to Moncao | 4,717.95 mi (7,592.81 km) |
