| Gland to Mangualde | 808.11 mi (1,300.53 km) |
| Gland to Marco de Canavezes | 803.33 mi (1,292.83 km) |
| Gland to Marinha Grande | 892.71 mi (1,436.68 km) |
| Gland to Massama | 948.98 mi (1,527.24 km) |
| Gland to Matosinhos | 827.78 mi (1,332.18 km) |
| Gland to Mealhada | 846.60 mi (1,362.47 km) |
| Gland to Melgaco | 776.78 mi (1,250.11 km) |
| Gland to Melres | 818.63 mi (1,317.46 km) |
| Gland to Mira | 857.00 mi (1,379.21 km) |
| Gland to Miranda do Corvo | 852.78 mi (1,372.41 km) |
| Gland to Mirandela | 749.61 mi (1,206.37 km) |
| Gland to Mogadouro | 734.83 mi (1,182.59 km) |
| Gland to Moimenta da Beira | 787.26 mi (1,266.98 km) |
| Gland to Moita | 941.49 mi (1,515.18 km) |
| Gland to Moncao | 787.87 mi (1,267.96 km) |
