| Merrick to Mangualde | 3,363.92 mi (5,413.70 km) |
| Merrick to Marco de Canavezes | 3,329.80 mi (5,358.80 km) |
| Merrick to Marinha Grande | 3,330.03 mi (5,359.17 km) |
| Merrick to Massama | 3,340.62 mi (5,376.21 km) |
| Merrick to Matosinhos | 3,303.31 mi (5,316.17 km) |
| Merrick to Mealhada | 3,336.48 mi (5,369.55 km) |
| Merrick to Melgaco | 3,300.21 mi (5,311.17 km) |
| Merrick to Melres | 3,320.81 mi (5,344.33 km) |
| Merrick to Mira | 3,321.40 mi (5,345.28 km) |
| Merrick to Miranda do Corvo | 3,349.78 mi (5,390.95 km) |
| Merrick to Mirandela | 3,368.34 mi (5,420.82 km) |
| Merrick to Mogadouro | 3,394.62 mi (5,463.11 km) |
| Merrick to Moimenta da Beira | 3,360.99 mi (5,408.99 km) |
| Merrick to Moita | 3,357.98 mi (5,404.14 km) |
| Merrick to Moncao | 3,291.12 mi (5,296.55 km) |
