| Ovenden to Mangualde | 948.13 mi (1,525.86 km) |
| Ovenden to Marco de Canavezes | 915.04 mi (1,472.62 km) |
| Ovenden to Marinha Grande | 1,021.68 mi (1,644.24 km) |
| Ovenden to Massama | 1,092.67 mi (1,758.49 km) |
| Ovenden to Matosinhos | 923.42 mi (1,486.11 km) |
| Ovenden to Mealhada | 972.50 mi (1,565.09 km) |
| Ovenden to Melgaco | 855.18 mi (1,376.28 km) |
| Ovenden to Melres | 926.48 mi (1,491.03 km) |
| Ovenden to Mira | 973.42 mi (1,566.57 km) |
| Ovenden to Miranda do Corvo | 989.64 mi (1,592.68 km) |
| Ovenden to Mirandela | 881.61 mi (1,418.81 km) |
| Ovenden to Mogadouro | 886.12 mi (1,426.08 km) |
| Ovenden to Moimenta da Beira | 921.07 mi (1,482.32 km) |
| Ovenden to Moita | 1,095.47 mi (1,762.99 km) |
| Ovenden to Moncao | 861.43 mi (1,386.34 km) |
