| Baytown to Mangualde | 4,781.01 mi (7,694.28 km) |
| Baytown to Marco de Canavezes | 4,747.32 mi (7,640.08 km) |
| Baytown to Marinha Grande | 4,745.44 mi (7,637.04 km) |
| Baytown to Massama | 4,753.85 mi (7,650.58 km) |
| Baytown to Matosinhos | 4,720.69 mi (7,597.21 km) |
| Baytown to Mealhada | 4,753.06 mi (7,649.31 km) |
| Baytown to Melgaco | 4,718.26 mi (7,593.31 km) |
| Baytown to Melres | 4,738.16 mi (7,625.34 km) |
| Baytown to Mira | 4,737.93 mi (7,624.96 km) |
| Baytown to Miranda do Corvo | 4,766.03 mi (7,670.18 km) |
| Baytown to Mirandela | 4,786.26 mi (7,702.74 km) |
| Baytown to Mogadouro | 4,812.54 mi (7,745.03 km) |
| Baytown to Moimenta da Beira | 4,778.48 mi (7,690.22 km) |
| Baytown to Moita | 4,771.18 mi (7,678.47 km) |
| Baytown to Moncao | 4,709.14 mi (7,578.62 km) |
