Gjennomsnittlig GPS-koordinater for postnummer 78800: 48.922, 2.193
Notering byer:
>> Houilles 78800, Île-de-France, Yvelines, Arrondissement de Saint-Germain-en-Laye, GPS-koordinater: 48.9216,2.1926
Notering byer:
>> Houilles 78800, Île-de-France, Yvelines, Arrondissement de Saint-Germain-en-Laye, GPS-koordinater: 48.9216,2.1926