| Loenen to Marco de Canavezes | 983.52 mi (1,582.82 km) |
| Loenen to Marinha Grande | 1,088.73 mi (1,752.14 km) |
| Loenen to Massama | 1,156.50 mi (1,861.20 km) |
| Loenen to Matosinhos | 999.95 mi (1,609.27 km) |
| Loenen to Mealhada | 1,038.12 mi (1,670.70 km) |
| Loenen to Melgaco | 934.72 mi (1,504.29 km) |
| Loenen to Melres | 997.55 mi (1,605.40 km) |
| Loenen to Mira | 1,043.52 mi (1,679.38 km) |
| Loenen to Miranda do Corvo | 1,051.18 mi (1,691.72 km) |
| Loenen to Mirandela | 938.11 mi (1,509.74 km) |
| Loenen to Mogadouro | 933.86 mi (1,502.90 km) |
| Loenen to Moimenta da Beira | 979.62 mi (1,576.55 km) |
| Loenen to Moita | 1,154.62 mi (1,858.18 km) |
| Loenen to Moncao | 943.72 mi (1,518.77 km) |
| Loenen to Montalegre | 936.67 mi (1,507.43 km) |
