Wollongong is about 85 kilometers (roughly 53 miles) south of Sydney by road, with typical driving times around 1.25 to 1.5 hours depending on traffic and the exact start/end points. If you’re measuring straight-line distance, the air distance is approximately 68 kilometers (about 42 miles). Key options for travel planning:

• Driving: Common routes follow the Princes Highway (A1) and Grand Pacific Drive portions; typical times range from 1 hour 20 minutes to 1 hour 40 minutes for normal traffic.
• Rail: NSW TrainLink and NSW services connect Sydney Central to Wollongong with journey times generally around 1 hour to 1 hour 40 minutes depending on service.
• Coach/bus: Several providers operate Sydney to Wollongong with varying schedules; durations often align with driving times.

If you’d like, provide your exact start and end points in Sydney and Wollongong, and I can tailor distance, route, and travel-time estimates to your trip.