Gjennomsnittlig GPS-koordinater for postnummer 20114: 3.585, 98.676
Notering byer:
>> Silalas 20114, North Sumatra, Medan, GPS-koordinater: 3.58529,98.67565
Notering byer:
>> Silalas 20114, North Sumatra, Medan, GPS-koordinater: 3.58529,98.67565