| Bethesda to Mangualde | 3,583.58 mi (5,767.21 km) |
| Bethesda to Marco de Canavezes | 3,549.72 mi (5,712.72 km) |
| Bethesda to Marinha Grande | 3,548.90 mi (5,711.41 km) |
| Bethesda to Massama | 3,558.66 mi (5,727.11 km) |
| Bethesda to Matosinhos | 3,523.14 mi (5,669.94 km) |
| Bethesda to Mealhada | 3,555.88 mi (5,722.64 km) |
| Bethesda to Melgaco | 3,520.58 mi (5,665.83 km) |
| Bethesda to Melres | 3,540.62 mi (5,698.08 km) |
| Bethesda to Mira | 3,540.77 mi (5,698.33 km) |
| Bethesda to Miranda do Corvo | 3,569.02 mi (5,743.79 km) |
| Bethesda to Mirandela | 3,588.56 mi (5,775.24 km) |
| Bethesda to Mogadouro | 3,614.84 mi (5,817.53 km) |
| Bethesda to Moimenta da Beira | 3,580.89 mi (5,762.89 km) |
| Bethesda to Moita | 3,576.01 mi (5,755.04 km) |
| Bethesda to Moncao | 3,511.44 mi (5,651.12 km) |
