Gjennomsnittlig GPS-koordinater for postnummer 28320: 48.537, 1.688

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Notering byer:
>> Bailleau-Armenonville 28320, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS-koordinater: 48.5333,1.65
>> Écrosnes 28320, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS-koordinater: 48.5464,1.7291
>> Gallardon 28320, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS-koordinater: 48.5262,1.6931
>> Gas 28320, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS-koordinater: 48.5667,1.6667
>> Ymeray 28320, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS-koordinater: 48.51,1.7003