| Pfullendorf to Marco de Canavezes | 972.27 mi (1,564.72 km) |
| Pfullendorf to Marinha Grande | 1,064.07 mi (1,712.45 km) |
| Pfullendorf to Massama | 1,121.61 mi (1,805.05 km) |
| Pfullendorf to Matosinhos | 995.93 mi (1,602.80 km) |
| Pfullendorf to Mealhada | 1,017.20 mi (1,637.03 km) |
| Pfullendorf to Melgaco | 942.37 mi (1,516.60 km) |
| Pfullendorf to Melres | 987.56 mi (1,589.32 km) |
| Pfullendorf to Mira | 1,027.14 mi (1,653.02 km) |
| Pfullendorf to Miranda do Corvo | 1,024.12 mi (1,648.17 km) |
| Pfullendorf to Mirandela | 919.05 mi (1,479.07 km) |
| Pfullendorf to Mogadouro | 905.35 mi (1,457.01 km) |
| Pfullendorf to Moimenta da Beira | 957.50 mi (1,540.95 km) |
| Pfullendorf to Moita | 1,114.49 mi (1,793.61 km) |
| Pfullendorf to Moncao | 953.28 mi (1,534.16 km) |
| Pfullendorf to Montalegre | 932.38 mi (1,500.52 km) |
