This tridimensional scheme represents the strength of relations between cities from searches on google. The main idea is to compare the number of pages on internet where the two cities appear one close to the other, with the number of pages they appear isolated. This proportion indicates some kind of intensity of relation between the cities. After measuring this "google proximity" we divide it by its geographical distance. By this process we obtain an indicator about the strength of the relation in spite of the real distance, a kind of informational distance between cities.