| Wittmund to Marco de Canavezes | 1,129.95 mi (1,818.48 km) |
| Wittmund to Marinha Grande | 1,234.85 mi (1,987.30 km) |
| Wittmund to Massama | 1,302.28 mi (2,095.81 km) |
| Wittmund to Matosinhos | 1,146.66 mi (1,845.37 km) |
| Wittmund to Mealhada | 1,184.29 mi (1,905.93 km) |
| Wittmund to Melgaco | 1,081.62 mi (1,740.70 km) |
| Wittmund to Melres | 1,144.06 mi (1,841.18 km) |
| Wittmund to Mira | 1,189.89 mi (1,914.94 km) |
| Wittmund to Miranda do Corvo | 1,197.09 mi (1,926.54 km) |
| Wittmund to Mirandela | 1,084.06 mi (1,744.63 km) |
| Wittmund to Mogadouro | 1,079.29 mi (1,736.94 km) |
| Wittmund to Moimenta da Beira | 1,125.57 mi (1,811.43 km) |
| Wittmund to Moita | 1,300.10 mi (2,092.31 km) |
| Wittmund to Moncao | 1,090.66 mi (1,755.25 km) |
| Wittmund to Montalegre | 1,083.24 mi (1,743.31 km) |
