Gjennomsnittlig GPS-koordinater for postnummer 6100-391: 39.783, -8.117
Notering byer:
>> Relvas 6100-391, Castelo Branco, Santana, Poiares, GPS-koordinater: 39.7833,-8.1167
Notering byer:
>> Relvas 6100-391, Castelo Branco, Santana, Poiares, GPS-koordinater: 39.7833,-8.1167