Keskimääräinen GPS-koordinaatit postinumero cm4: 51.688, 0.394

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Listatut kaupungit:
>> Heybridge CM4, Essex, England, GPS-koordinaatit: 51.6756,0.3886
>> Nine Ashes CM4, Essex, England, GPS-koordinaatit: 51.6956,0.4269
>> Norton Heath CM4, Essex, England, GPS-koordinaatit: 51.7167,0.3167
>> Fryerning CM4, Essex, England, GPS-koordinaatit: 51.6956,0.4269
>> Blackmore CM4, Essex, England, GPS-koordinaatit: 51.6926,0.3186
>> Mill Green CM4, Essex, England, GPS-koordinaatit: 51.6956,0.4269
>> Margaretting CM4, Essex, England, GPS-koordinaatit: 51.69,0.415
>> Stock CM4, Essex, England, GPS-koordinaatit: 51.6635,0.4426
>> Ingatestone CM4, Essex, England, GPS-koordinaatit: 51.6703,0.3836