Gjennomsnittlig GPS-koordinater for postnummer 28569: 0.796, 100.541
Notering byer:
>> Bonai Darussalam 28569, Riau, Rokan Hulu, GPS-koordinater: 0.79625,100.54103
Notering byer:
>> Bonai Darussalam 28569, Riau, Rokan Hulu, GPS-koordinater: 0.79625,100.54103