| Tavistock to Mangualde | 708.47 mi (1,140.18 km) |
| Tavistock to Marco de Canavezes | 674.59 mi (1,085.65 km) |
| Tavistock to Marinha Grande | 781.01 mi (1,256.91 km) |
| Tavistock to Massama | 852.02 mi (1,371.19 km) |
| Tavistock to Matosinhos | 682.54 mi (1,098.44 km) |
| Tavistock to Mealhada | 732.05 mi (1,178.12 km) |
| Tavistock to Melgaco | 614.32 mi (988.65 km) |
| Tavistock to Melres | 685.83 mi (1,103.74 km) |
| Tavistock to Mira | 732.71 mi (1,179.18 km) |
| Tavistock to Miranda do Corvo | 749.43 mi (1,206.09 km) |
| Tavistock to Mirandela | 642.50 mi (1,034.00 km) |
| Tavistock to Mogadouro | 648.20 mi (1,043.17 km) |
| Tavistock to Moimenta da Beira | 681.46 mi (1,096.70 km) |
| Tavistock to Moita | 855.10 mi (1,376.15 km) |
| Tavistock to Moncao | 620.47 mi (998.55 km) |
