Prosečne GPS koordinate za poštanski broj bt51: 55.064, -6.698

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Spisak gradova:
>> Coleraine BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.1333,-6.6667
>> Ringsend BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.0333,-6.75
>> Macosquin BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.1,-6.7167
>> Aghadowey BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.0167,-6.6667
>> Garvagh BT51, County Londonderry, Northern Ireland, GPS koordinate: 54.9833,-6.6667
>> Articlave BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.1458,-6.7732
>> Castlerock BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.15,-6.7833
>> Blackhill BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.0642,-6.6975
>> Bellany BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.0642,-6.6975
>> Castleroe BT51, County Londonderry, Northern Ireland, GPS koordinate: 55.0642,-6.6975
>> Kilrea BT51, County Londonderry, Northern Ireland, GPS koordinate: 54.9509,-6.5569