| Ryde to Mangualde | 767.84 mi (1,235.72 km) |
| Ryde to Marco de Canavezes | 739.14 mi (1,189.54 km) |
| Ryde to Marinha Grande | 846.35 mi (1,362.07 km) |
| Ryde to Massama | 916.60 mi (1,475.12 km) |
| Ryde to Matosinhos | 751.38 mi (1,209.22 km) |
| Ryde to Mealhada | 796.01 mi (1,281.05 km) |
| Ryde to Melgaco | 683.69 mi (1,100.30 km) |
| Ryde to Melres | 751.91 mi (1,210.08 km) |
| Ryde to Mira | 798.95 mi (1,285.79 km) |
| Ryde to Miranda do Corvo | 811.56 mi (1,306.08 km) |
| Ryde to Mirandela | 700.07 mi (1,126.65 km) |
| Ryde to Mogadouro | 701.12 mi (1,128.34 km) |
| Ryde to Moimenta da Beira | 740.91 mi (1,192.38 km) |
| Ryde to Moita | 917.41 mi (1,476.43 km) |
| Ryde to Moncao | 691.39 mi (1,112.68 km) |
