Adelaide, Australia → Sydney, Australia · ✈ 1h 57min · 🚗 18h 53min
627 nautical miles · Time difference: +1h ahead · Direction: east
The distance from Adelaide to Sydney is 1,162 km (722 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h 57min.
The straight-line distance from Adelaide, Australia to Sydney, Australia is approximately 1,162 kilometers (722 miles or 627 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Sydney is located east of Adelaide. Adelaide is in Oceania, in the South Australia region of Australia, while Sydney is in Oceania, in New South Wales, Australia. Both cities are in Oceania.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 1,162 km | ~1h 57min | Best option for speed |
| 🚗 Drive | ~1,511 km | ~18h 53min | Long journey, consider stops |
| 🚂 Regular Train | ~1,394 km | ~11h 37min | Scenic but slow |
Our recommendation: flight is typically the best way to travel from Adelaide to Sydney. For 1,162 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 1,511 km, fuel costs for driving from Adelaide to Sydney are approximately $121–$227 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
Adelaide sits at 34.9285°S, 138.6007°E, while Sydney is located at 33.8688°S, 151.2093°E. The initial compass bearing from Adelaide to Sydney is 88° (E), so a great-circle flight path leaves Adelaide heading roughly E. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 1.06° and the longitude difference is 12.61°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Adelaide and Sydney is approximately 34.5608°S, 144.9451°E. This is the great-circle halfway position — the spot where you would be exactly 581 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Sydney is roughly 1 hour ahead of Adelaide. When it is 09:00 in Adelaide, it is approximately 10:00 in Sydney. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Adelaide is a major city in Australia with a population of approximately 1,345,777. Located in the South Australia region, it is an important hub in Oceania. Adelaide is a significant metropolitan area in Australia with good domestic and international transport connections.
Sydney is a notable city in Australia with a population of approximately 5,312,163. Situated in the New South Wales region, it serves as a key destination in Oceania. Sydney is one of Australia's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
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1,162 km is a long-distance route that typically requires air travel. This is comparable to spanning a large continent. For context, London to Dubai is about 5,500 km.
At 1,162 km, the Adelaide-Sydney route is about 2.9% of Earth's circumference. A commercial jet covers this distance in about 1h 57min.
The straight-line distance from Adelaide to Sydney is approximately 1,162 kilometers (722 miles, 627 nautical miles).
A direct flight takes approximately 1h 57min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 18h 53min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Sydney is approximately +1h ahead compared to Adelaide.
The estimated road distance is approximately 1,511 km, which is about 30% longer than the 1,162 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 21, 2026.