[GIS] Seeking comprehensive list of latitude and longitude values for cities around world

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I'm developing an application that calculates the distance between cities using their respective Longitude and Latitude values.

But the problem is where to get a comprehensive list of latitude and longitude values of these cities?

Best Answer

Don't forget about Geonames dataset:

The GeoNames geographical database covers all countries and contains over eight million placenames that are available for download free of charge.

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[GIS] Comprehensive database of all cities/towns in South Africa

There is always geonames though I have no idea how comprehensive their South Africa data is.

Another option might be the South African Statistics agency

[GIS] find latitude and longitude data for the borders of U.S. Congressional districts

You can download a full set of US Congressional districts from the National Atlas, which includes a link to recent congressional districts. Once you've downloaded and extracted the data, you can use ogr2ogr to translate the data into another format if Shapefiles don't work for you. For example:

wget "http://dds.cr.usgs.gov/pub/data/nationalatlas/cgd112p020_nt00354.tar.gz"
tar zxvf cgd112p020_nt00354.tar.gz
ogr2ogr -f "GeoJSON" cgd112p020.json cgd112p020.shp

Which will give you a JSON file with human readable coordinates, along with a few other useful attributes.

Best Answer

Related Solutions

[GIS] Comprehensive database of all cities/towns in South Africa

[GIS] find latitude and longitude data for the borders of U.S. Congressional districts

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