Average GPS coordinates for Santa Maria Postcode location: 41.232, -8.493. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Santa Maria on map:

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Listing cities & postcodes (2):
>> Porto, 4560-055 Santa Maria, Penalva do Castelo, Carrapatas, GPS coordinates: 41.1889,-8.5444
>> Porto, 4575-584 Santa Maria, Penalva do Castelo, Vilarinho de Agrochão, GPS coordinates: 41.275,-8.4417