To find the return flight distance between Manila to Isabela via Subic - Clark - Tarlac Expy, TPLEx, start with entering the locations in the control and click on Return Flight Distance. You can also add multiple destinations in between while returning from a location. If you are not aware of the routes, you can check the
Manila to TPLEx Route via Subic - Clark - Tarlac Expy, TPLEx.