Average GPS coordinates for São Martinho Postcode location: 41.484, -8.161. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). São Martinho on map:

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Listing cities & postcodes (5):
>> Braga, 4710-730 São Martinho, São Roque do Pico, Vilar do Monte, GPS coordinates: 41.4833,-8.2556
>> Braga, 4730-080 São Martinho, Resende, Carrapatas, GPS coordinates: 41.3833,-8.1
>> Braga, 4820-711 São Martinho, Ribeira Brava, Soutelo Mourisco, GPS coordinates: 41.4598,-8.2293
>> Braga, 4850-382 São Martinho, Penalva do Castelo, Lagoa, GPS coordinates: 41.5667,-8.15
>> Braga, 4860-078 São Martinho, Povoação, Constantim, GPS coordinates: 41.5267,-8.07