From the Adriatic coast
From South or from North with the line Milan Bari
Station FF.SS. of Termoli. In the summer period they stop the types of trains almost all to consult the Summer or Winter railway schedules however. Possibility to always continue to mean train, up to the station of Campomarino, or continuing with bus of line Termoli - Campomarino from the bus terminal located out of Termoli.
You can catch the local bus navetta from station sqaure to terminal bus
From the Tirrenia coast
From South or from North with the line Reggio Calabria-Roma or Genoa-Rome
From Rome Termini, for Pescara-Termoli or From Rome for Campobasso Termoli. This last is less recommended in how much it treats from Rome to Campobasso it's covered in 4 hours, very more comfortable from the Station Tiburtina, the bus directly for Termoli and after that you could catch the same as above mentioned.