Promedio GPS coordenadas de código postal 355-821: 36.441, 126.626

---

Listado de ciudades:
>> Cheongso-myeon/청소면 355-821, Chungcheongnam-do/충남, Boryeong-si/보령시, Jeongjeonri/성연리, Las coordenadas GPS: 36.44073,126.62555
>> Cheongso-myeon/청소면 355-821, Chungcheongnam-do/충남, Boryeong-si/보령시, Seongyeonri/야현리, Las coordenadas GPS: 36.4408,126.62562
>> Cheongso-myeon/청소면 355-821, Chungcheongnam-do/충남, Boryeong-si/보령시, Yahyeonri/정전리, Las coordenadas GPS: 36.44076,126.62558