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For each of the area's on the ''Centroid-worksheet'' a row and a column is created in the ''Container port worksheet''. In addition two columns that document a port have been added: one column is a link the wikipedia-page of the port and one column is a link to the port authority of the port.
 
For each of the area's on the ''Centroid-worksheet'' a row and a column is created in the ''Container port worksheet''. In addition two columns that document a port have been added: one column is a link the wikipedia-page of the port and one column is a link to the port authority of the port.
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Each cell that links to ports shows the maritime distance between the two ports, as calculated by [https://www.searates.com/services/distances-time/ Searates].
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Each cell that links to ports shows the maritime distance between the two ports, as calculated by [https://www.searates.com/services/distances-time/ Searates] (black).
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Some (landlocked) countries share ports. In that case the distances are linked (in orange).
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Ports that are not listed in Searates (or could not be found) have been taken from Shiptraffic. This requires conversion from nautical miles to kilometres (light green 1)
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Some (landlocked) countries share ports. In that case the distances are linked, either between rows of the same port (light red 1) or between columns (orange).
    
There are many maritime routes that use the same sea passages, such as the Gibraltar straits. Instead of looking up all the routes in [https://www.searates.com/services/distances-time/ Searates], it is easier to look up the distances to a port on the strait and just copy the corresponding data. Only for the water basin behind the strait we need to do the lookup. The distances obtained via these strait ports have been coloured.
 
There are many maritime routes that use the same sea passages, such as the Gibraltar straits. Instead of looking up all the routes in [https://www.searates.com/services/distances-time/ Searates], it is easier to look up the distances to a port on the strait and just copy the corresponding data. Only for the water basin behind the strait we need to do the lookup. The distances obtained via these strait ports have been coloured.
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