Prosečne GPS koordinate za poštanski broj 17204-cedex: 45.629, -1.028
Spisak gradova:
>> Royan 17204-CEDEX, Poitou-Charentes, Charente-Maritime, Arrondissement de Rochefort, GPS koordinate: 45.6285,-1.0281
Spisak gradova:
>> Royan 17204-CEDEX, Poitou-Charentes, Charente-Maritime, Arrondissement de Rochefort, GPS koordinate: 45.6285,-1.0281