| Guarda to Marco de Canavezes | 61.95 mi (99.71 km) |
| Guarda to Marinha Grande | 100.35 mi (161.50 km) |
| Guarda to Massama | 160.41 mi (258.16 km) |
| Guarda to Matosinhos | 84.37 mi (135.77 km) |
| Guarda to Mealhada | 59.61 mi (95.94 km) |
| Guarda to Melgaco | 119.64 mi (192.54 km) |
| Guarda to Melres | 66.86 mi (107.61 km) |
| Guarda to Mira | 73.90 mi (118.92 km) |
| Guarda to Miranda do Corvo | 60.59 mi (97.52 km) |
| Guarda to Mirandela | 66.25 mi (106.62 km) |
| Guarda to Mogadouro | 63.96 mi (102.94 km) |
| Guarda to Moimenta da Beira | 34.15 mi (54.97 km) |
| Guarda to Moita | 157.00 mi (252.66 km) |
| Guarda to Moncao | 121.92 mi (196.20 km) |
| Guarda to Montalegre | 92.25 mi (148.46 km) |
