Prosečne GPS koordinate za poštanski broj 417-811: 37.784, 126.464

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Spisak gradova:
>> Songhae-myeon/송해면 417-811, Incheon/인천, Ganghwa-gun/강화군, Dangsanri/당산리, GPS koordinate: 37.78448,126.46354
>> Songhae-myeon/송해면 417-811, Incheon/인천, Ganghwa-gun/강화군, Sangdori/상도리, GPS koordinate: 37.78449,126.46355
>> Songhae-myeon/송해면 417-811, Incheon/인천, Ganghwa-gun/강화군, Soljeongri/솔정리, GPS koordinate: 37.78443,126.46349
>> Songhae-myeon/송해면 417-811, Incheon/인천, Ganghwa-gun/강화군, Sungroeri/숭뢰리, GPS koordinate: 37.78439,126.46345
>> Songhae-myeon/송해면 417-811, Incheon/인천, Ganghwa-gun/강화군, Yangori/양오리, GPS koordinate: 37.78446,126.46352