If you want to visit Halkidiki, you also have the opportunity to take a ferry from Italy and the rest of the road either from Igoumenitsa or from Patras can be covered by car.
Here are some of the ferry companies that you could consider.
Book your ferry with the Easy Way System of Goferry.
The Easy-Way System makes the booking of ferry tickets easier by using the successful method of the airlines:
1. Reservation via Internet
2. Receipt of the reservation-code
3. Check-in at the departure port
4. Getting on board !
Furthermore the site offers the possibility to pay the ticket per credit card or per the innovative System Pay-and-Confirm.
More information under www.goferry.gr