| Tortosa to Mangualde | 433.86 mi (698.23 km) |
| Tortosa to Marco de Canavezes | 452.71 mi (728.57 km) |
| Tortosa to Marinha Grande | 503.46 mi (810.24 km) |
| Tortosa to Massama | 538.83 mi (867.16 km) |
| Tortosa to Matosinhos | 481.31 mi (774.59 km) |
| Tortosa to Mealhada | 471.37 mi (758.60 km) |
| Tortosa to Melgaco | 463.61 mi (746.11 km) |
| Tortosa to Melres | 465.75 mi (749.55 km) |
| Tortosa to Mira | 485.80 mi (781.83 km) |
| Tortosa to Miranda do Corvo | 467.90 mi (753.01 km) |
| Tortosa to Mirandela | 403.31 mi (649.06 km) |
| Tortosa to Mogadouro | 378.60 mi (609.30 km) |
| Tortosa to Moimenta da Beira | 424.86 mi (683.74 km) |
| Tortosa to Moita | 526.35 mi (847.08 km) |
| Tortosa to Moncao | 474.03 mi (762.88 km) |
