Prosečne GPS koordinate za poštanski broj 6100-391: 39.783, -8.117
Spisak gradova:
>> Relvas 6100-391, Castelo Branco, Santana, Poiares, GPS koordinate: 39.7833,-8.1167
Spisak gradova:
>> Relvas 6100-391, Castelo Branco, Santana, Poiares, GPS koordinate: 39.7833,-8.1167