Coordonnées GPS moyenne pour code postal 355-891: 36.425, 126.669

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Liste des villes:
>> Cheongra-myeon/청라면 355-891, Chungcheongnam-do/충남, Boryeong-si/보령시, Eumhyeonri/내현리, Les coordonnées GPS: 36.42542,126.66874
>> Cheongra-myeon/청라면 355-891, Chungcheongnam-do/충남, Boryeong-si/보령시, Janghyeonri/신산리, Les coordonnées GPS: 36.42548,126.6688
>> Cheongra-myeon/청라면 355-891, Chungcheongnam-do/충남, Boryeong-si/보령시, Naehyeonri/음현리, Les coordonnées GPS: 36.42547,126.66879
>> Cheongra-myeon/청라면 355-891, Chungcheongnam-do/충남, Boryeong-si/보령시, Sinsanri/장현리, Les coordonnées GPS: 36.42541,126.66873