| Gelves to Mangualde | 244.64 mi (393.71 km) |
| Gelves to Marco de Canavezes | 289.43 mi (465.80 km) |
| Gelves to Marinha Grande | 229.59 mi (369.49 km) |
| Gelves to Massama | 202.72 mi (326.24 km) |
| Gelves to Matosinhos | 302.23 mi (486.39 km) |
| Gelves to Mealhada | 248.06 mi (399.22 km) |
| Gelves to Melgaco | 351.43 mi (565.57 km) |
| Gelves to Melres | 287.76 mi (463.11 km) |
| Gelves to Mira | 259.25 mi (417.22 km) |
| Gelves to Miranda do Corvo | 228.32 mi (367.44 km) |
| Gelves to Mirandela | 293.53 mi (472.39 km) |
| Gelves to Mogadouro | 278.89 mi (448.83 km) |
| Gelves to Moimenta da Beira | 266.06 mi (428.18 km) |
| Gelves to Moita | 185.38 mi (298.34 km) |
| Gelves to Moncao | 352.67 mi (567.56 km) |
