Gjennomsnittlig GPS-koordinater for postnummer 16570: 45.746, 0.053
Notering byer:
>> Marsac 16570, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.742,0.0766
>> Saint-Genis-d'Hiersac 16570, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.7499,0.0285
Notering byer:
>> Marsac 16570, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.742,0.0766
>> Saint-Genis-d'Hiersac 16570, Poitou-Charentes, Charente, Arrondissement d'Angoulême, GPS-koordinater: 45.7499,0.0285