| Sebastian to Mangualde | 4,132.44 mi (6,650.53 km) |
| Sebastian to Marco de Canavezes | 4,104.30 mi (6,605.22 km) |
| Sebastian to Marinha Grande | 4,084.35 mi (6,573.13 km) |
| Sebastian to Massama | 4,081.07 mi (6,567.85 km) |
| Sebastian to Matosinhos | 4,076.27 mi (6,560.12 km) |
| Sebastian to Mealhada | 4,100.24 mi (6,598.71 km) |
| Sebastian to Melgaco | 4,085.69 mi (6,575.28 km) |
| Sebastian to Melres | 4,093.17 mi (6,587.33 km) |
| Sebastian to Mira | 4,084.95 mi (6,574.09 km) |
| Sebastian to Miranda do Corvo | 4,110.36 mi (6,614.98 km) |
| Sebastian to Mirandela | 4,149.17 mi (6,677.45 km) |
| Sebastian to Mogadouro | 4,174.95 mi (6,718.93 km) |
| Sebastian to Moimenta da Beira | 4,134.53 mi (6,653.88 km) |
| Sebastian to Moita | 4,098.02 mi (6,595.12 km) |
| Sebastian to Moncao | 4,075.53 mi (6,558.93 km) |
