| Delfzijl to Marco de Canavezes | 1,092.66 mi (1,758.46 km) |
| Delfzijl to Marinha Grande | 1,197.80 mi (1,927.68 km) |
| Delfzijl to Massama | 1,265.46 mi (2,036.57 km) |
| Delfzijl to Matosinhos | 1,109.12 mi (1,784.95 km) |
| Delfzijl to Mealhada | 1,147.20 mi (1,846.25 km) |
| Delfzijl to Melgaco | 1,043.86 mi (1,679.94 km) |
| Delfzijl to Melres | 1,106.70 mi (1,781.06 km) |
| Delfzijl to Mira | 1,152.65 mi (1,855.00 km) |
| Delfzijl to Miranda do Corvo | 1,160.19 mi (1,867.15 km) |
| Delfzijl to Mirandela | 1,047.12 mi (1,685.18 km) |
| Delfzijl to Mogadouro | 1,042.69 mi (1,678.04 km) |
| Delfzijl to Moimenta da Beira | 1,088.64 mi (1,752.00 km) |
| Delfzijl to Moita | 1,263.48 mi (2,033.37 km) |
| Delfzijl to Moncao | 1,052.84 mi (1,694.38 km) |
| Delfzijl to Montalegre | 1,045.83 mi (1,683.10 km) |
