Gjennomsnittlig GPS-koordinater for postnummer 91240: 48.635, 2.308
Notering byer:
>> Saint-Michel-sur-Orge 91240, Île-de-France, Essonne, Arrondissement de Palaiseau, GPS-koordinater: 48.6348,2.3083
Notering byer:
>> Saint-Michel-sur-Orge 91240, Île-de-France, Essonne, Arrondissement de Palaiseau, GPS-koordinater: 48.6348,2.3083