Prosečne GPS koordinate za poštanski broj 28290: 48.102, 1.128

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Spisak gradova:
>> Arrou 28290, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS koordinate: 48.0977,1.1285
>> Chapelle-Royale 28290, Centre, Eure-et-Loir, Arrondissement de Nogent-le-Rotrou, GPS koordinate: 48.1449,1.0444
>> Châtillon-en-Dunois 28290, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS koordinate: 48.1164,1.1859
>> Courtalain 28290, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS koordinate: 48.0811,1.1407
>> Saint-Pellerin 28290, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS koordinate: 48.0701,1.141