| Locarno to Mangualde | 913.77 mi (1,470.57 km) |
| Locarno to Marco de Canavezes | 912.06 mi (1,467.81 km) |
| Locarno to Marinha Grande | 997.30 mi (1,605.00 km) |
| Locarno to Massama | 1,050.50 mi (1,690.62 km) |
| Locarno to Matosinhos | 937.39 mi (1,508.59 km) |
| Locarno to Mealhada | 952.71 mi (1,533.24 km) |
| Locarno to Melgaco | 889.19 mi (1,431.02 km) |
| Locarno to Melres | 927.33 mi (1,492.39 km) |
| Locarno to Mira | 963.84 mi (1,551.15 km) |
| Locarno to Miranda do Corvo | 957.53 mi (1,541.00 km) |
| Locarno to Mirandela | 857.88 mi (1,380.62 km) |
| Locarno to Mogadouro | 841.55 mi (1,354.34 km) |
| Locarno to Moimenta da Beira | 894.20 mi (1,439.08 km) |
| Locarno to Moita | 1,041.94 mi (1,676.83 km) |
| Locarno to Moncao | 900.40 mi (1,449.05 km) |
