Gjennomsnittlig GPS-koordinater for postnummer cm19: 51.763, 0.057
Notering byer:
>> Roydon Hamlet CM19, Essex, England, GPS-koordinater: 51.7627,0.057
>> Roydon CM19, Essex, England, GPS-koordinater: 51.7718,0.0403
>> Great Parndon CM19, Essex, England, GPS-koordinater: 51.7536,0.0736
Notering byer:
>> Roydon Hamlet CM19, Essex, England, GPS-koordinater: 51.7627,0.057
>> Roydon CM19, Essex, England, GPS-koordinater: 51.7718,0.0403
>> Great Parndon CM19, Essex, England, GPS-koordinater: 51.7536,0.0736