| Uddevalla to Mangualde | 1,499.11 mi (2,412.58 km) |
| Uddevalla to Marco de Canavezes | 1,474.03 mi (2,372.22 km) |
| Uddevalla to Marinha Grande | 1,580.56 mi (2,543.67 km) |
| Uddevalla to Massama | 1,649.64 mi (2,654.84 km) |
| Uddevalla to Matosinhos | 1,488.30 mi (2,395.19 km) |
| Uddevalla to Mealhada | 1,529.91 mi (2,462.15 km) |
| Uddevalla to Melgaco | 1,421.41 mi (2,287.53 km) |
| Uddevalla to Melres | 1,487.47 mi (2,393.86 km) |
| Uddevalla to Mira | 1,534.15 mi (2,468.98 km) |
| Uddevalla to Miranda do Corvo | 1,544.11 mi (2,485.00 km) |
| Uddevalla to Mirandela | 1,431.21 mi (2,303.32 km) |
| Uddevalla to Mogadouro | 1,428.86 mi (2,299.53 km) |
| Uddevalla to Moimenta da Beira | 1,472.65 mi (2,369.99 km) |
| Uddevalla to Moita | 1,648.85 mi (2,653.57 km) |
| Uddevalla to Moncao | 1,429.62 mi (2,300.75 km) |
