Gjennomsnittlig GPS-koordinater for postnummer 20517: 3.561, 98.889
Notering byer:
>> Cemara 20517, North Sumatra, Deli Serdang, GPS-koordinater: 3.55587,98.88977
>> Sekip 20517, North Sumatra, Deli Serdang, GPS-koordinater: 3.56697,98.88779
Notering byer:
>> Cemara 20517, North Sumatra, Deli Serdang, GPS-koordinater: 3.55587,98.88977
>> Sekip 20517, North Sumatra, Deli Serdang, GPS-koordinater: 3.56697,98.88779