Getting to Jervis Bay and Shoalhave is easy, regardless of whether you plan on arriving by car, plane, coach or train. Jervis Bay and Shoalhaven are an easy two hour drive from Sydney. From the metropolitan area, head south on the Princes Highway until you reach Berry. From here you can take Sate Tourist Drive 7 to visit the Cambewarra Mountains and Kangaroo Valley or continue on the Princes Highway all the way into Shoalhaven.
Canberra is a little over two and a half hours north east to Jervis Bay and Shoalhaven, following the Kings Highway through the Australian Capital Territory. Passing through Braidwood and Nelligen, you'll arrive in Batemans Bay, just south of Shoalhaven.
Continue onto the Princes Highway and head north, passing through smaller towns on the way to Shoalhaven. You may wish to stop and explore or continue directly into town.
Melbourne is much further away, with a nine hour drive required to make your way to Jervis Bay and Shoalhaven. Follow the Hume Freeway (M31) north towards Sydney before continuing onto the Hume Highway and taking the Barton Highway exit heading towards Canberra. Once in the ACT, follow the Kings Highway along the south coast to Batemans Bay. To get to Shoalhaven from here, take the Princes Highway and follow the signs to Shoalhaven.
There are no public airports in Jervis Bay and Shoalhaven so if you wish to arrive by air, your best to fly into either the Sydney or Canberra airports and connect to Jervis Bay and Shoalhaven by road, shuttle or rail. Virgin Australia, Qantas and Jetstar service both airports and car hire and connecting shuttles are available from the terminal.
Premier Transport and Murrays Coaches both offer several coach services between Sydney and Canberra to the south coast arriving in either Nowra or Batemans Bay. There are also regular City Rail services from Central Sydney that head south passing through Wollongong and arriving in northern Shoalhaven. Alternatively, the CountryLink rail service connects Canberra to Nowra in Shoalhaven, via Albion Park.