Wikimedia hosts an image of the map tracing the route of Lord Rama in his epic journey to Sri Lanka. It is very interesting to see the different names of places in ancient India correlating with the modern day names in the map. Locations are based on the Indian epics and the Buddhist texts. 100% accuracy is not claimed. You can see the map at the following link.
Tourslanka hosts a page for places of interests connected to Ramayana in Sri Lanka. You can read the description and watch a video at the following link.