Prosečne GPS koordinate za poštanski broj 4940-431: 41.917, -8.533
Spisak gradova:
>> Alvarim 4940-431, Viana do Castelo, Ribeira Grande, Grijó, GPS koordinate: 41.9167,-8.5333
Spisak gradova:
>> Alvarim 4940-431, Viana do Castelo, Ribeira Grande, Grijó, GPS koordinate: 41.9167,-8.5333