Prosečne GPS koordinate za poštanski broj 77660: 48.955, 3.021

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Spisak gradova:
>> Changis-sur-Marne 77660, Île-de-France, Seine-et-Marne, Arrondissement de Meaux, GPS koordinate: 48.9582,3.0219
>> Saint-Jean-les-Deux-Jumeaux 77660, Île-de-France, Seine-et-Marne, Arrondissement de Meaux, GPS koordinate: 48.9514,3.0196