Prosečne GPS koordinate za poštanski broj 28633-cedex: 48.409, 1.53
Spisak gradova:
>> Gellainville 28633-CEDEX, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS koordinate: 48.4087,1.5297
Spisak gradova:
>> Gellainville 28633-CEDEX, Centre, Eure-et-Loir, Arrondissement de Chartres, GPS koordinate: 48.4087,1.5297