| Tomball to Mangualde | 4,799.06 mi (7,723.35 km) |
| Tomball to Marco de Canavezes | 4,765.05 mi (7,668.60 km) |
| Tomball to Marinha Grande | 4,764.37 mi (7,667.52 km) |
| Tomball to Massama | 4,773.57 mi (7,682.31 km) |
| Tomball to Matosinhos | 4,738.53 mi (7,625.94 km) |
| Tomball to Mealhada | 4,771.43 mi (7,678.88 km) |
| Tomball to Melgaco | 4,735.33 mi (7,620.78 km) |
| Tomball to Melres | 4,756.03 mi (7,654.09 km) |
| Tomball to Mira | 4,756.33 mi (7,654.57 km) |
| Tomball to Miranda do Corvo | 4,784.58 mi (7,700.03 km) |
| Tomball to Mirandela | 4,803.55 mi (7,730.57 km) |
| Tomball to Mogadouro | 4,829.84 mi (7,772.87 km) |
| Tomball to Moimenta da Beira | 4,796.24 mi (7,718.80 km) |
| Tomball to Moita | 4,790.91 mi (7,710.23 km) |
| Tomball to Moncao | 4,726.28 mi (7,606.22 km) |
