Pulau Alang-besar, Riau (island)
Pulau Alang-besar, Riau (island) is geographically located at latitude 2° 12' 0" North of the Equator and longitude 100° 39' 0" East of the Prime Meridian on the Map of World. The following locations related to it are represented by the the shortest path as the crow would fly between any two points and may not be nearest by road.