A system includes a navigation device and a processor in communication with the navigation device and an output. The processor is configured to receive a plurality of POIs. The processor is also configured to search for at least a first of the POIs in first proximity to a route in the navigation device. Further, the processor is configured to, subsequent to the search for a first POI in first proximity, for each instance of the first POI in first proximity to the route, search for at least a second of the POIs in second proximity to the first POI. The processor is also configured to output any instances wherein each of the POIs are found to be in second proximity to at least one of the other POIs of the plurality of POIs.