From the SOUTH: Take the A1 motorway to Cassino, then the Cassino-Formia dual carriageway, then from Formia the Strada Statale Flacca (coastal road) to Terracina.
From the NORTH: Take the A1 motorway to Frosinone, then take the Strada Statale 156 dei Monti Lepini as far as Terracina.
From ROME: Take the Strada Statale 148 Pontina as far as Terracina.