The city's residents have a banquet of choices for day tours out of the city. Visitors should avail themselves of the opportunities.The only limit is the amount if time you have.
Motor Vehicle
If you have used of a motor vehicle (for example, a rented car or a friend with a car), there are some great one-day journeys from Sydney. Remember, in Australia, vehicles must travel on the left side of the road. See Day Trips by Car
Public Transport
But you do not need a car to see some wonderful sights and experience Australia, beyond the city, with day trips using public transport. Trains offer a great service, comfortable travel and you can relax rather than worry about traffic.
Organised Tours
There are some great tours organised by commercial companies, offering an excellent range of experiences. Many of the tours can be arranged through hotels and hostels.