| Harderwijk to Marco de Canavezes | 1,006.37 mi (1,619.59 km) |
| Harderwijk to Marinha Grande | 1,111.32 mi (1,788.50 km) |
| Harderwijk to Massama | 1,178.83 mi (1,897.14 km) |
| Harderwijk to Matosinhos | 1,023.09 mi (1,646.50 km) |
| Harderwijk to Mealhada | 1,060.75 mi (1,707.11 km) |
| Harderwijk to Melgaco | 958.10 mi (1,541.92 km) |
| Harderwijk to Melres | 1,020.47 mi (1,642.29 km) |
| Harderwijk to Mira | 1,066.31 mi (1,716.07 km) |
| Harderwijk to Miranda do Corvo | 1,073.61 mi (1,727.81 km) |
| Harderwijk to Mirandela | 960.56 mi (1,545.88 km) |
| Harderwijk to Mogadouro | 955.94 mi (1,538.44 km) |
| Harderwijk to Moimenta da Beira | 1,002.07 mi (1,612.68 km) |
| Harderwijk to Moita | 1,176.75 mi (1,893.80 km) |
| Harderwijk to Moncao | 967.18 mi (1,556.52 km) |
| Harderwijk to Montalegre | 959.66 mi (1,544.42 km) |
