Nearest Airport Q

Hi

My Feeder nearest airport is currently set to " NDR/GMMW Morocco " but my location is much closer to MLN/GEML Spain (autonomous city) " should i change my location to MLN/GEML ? dose it matter ?

https://c3.staticflickr.com/6/5321/30588888634_c0345c725a_z.jpgair by Ali Talla, on Flickr