Average GPS coordinates for Castanhal Postcode location: 41.313, -8.509. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Castanhal on map:

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Listing cities & postcodes (4):
>> Porto, 4635-181 Castanhal, Ribeira Brava, Carrapatas, GPS coordinates: 41.2667,-8.4694
>> Porto, 4640-382 Castanhal, Santa Cruz das Flores, Corujas, GPS coordinates: 41.1833,-8
>> Porto, 4785-013 Castanhal, Sernancelhe, Poiares, GPS coordinates: 41.4,-8.7833
>> Porto, 4785-072 Castanhal, Sernancelhe, Poiares, GPS coordinates: 41.4,-8.7833