Sydney, Australia → Adelaide, Australia · ✈ 1h 57min · 🚗 18h 53min
627 nautical miles · Time difference: -1h behind · Direction: west
The distance from Sydney to Adelaide 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 Sydney, Australia to Adelaide, 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.
Adelaide is located west of Sydney. Sydney is in Oceania, in the New South Wales region of Australia, while Adelaide is in Oceania, in South Australia, 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 Sydney to Adelaide. 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 Sydney to Adelaide 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.
Sydney sits at 33.8688°S, 151.2093°E, while Adelaide is located at 34.9285°S, 138.6007°E. The initial compass bearing from Sydney to Adelaide is 261° (W), so a great-circle flight path leaves Sydney heading roughly W. 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 Sydney and Adelaide 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.
Adelaide is roughly 1 hour behind Sydney. When it is 09:00 in Sydney, it is approximately 08:00 in Adelaide. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Sydney is a major city in Australia with a population of approximately 5,312,163. Located in the New South Wales region, it is an important hub in Oceania. As one of the largest cities in Australia, Sydney is a major international gateway with extensive air connections and multiple airports.
→ See all distances from Sydney
Adelaide is a notable city in Australia with a population of approximately 1,345,777. Situated in the South Australia region, it serves as a key destination in Oceania. Adelaide offers solid transport connections and a variety of arrival options as a major city in Australia.
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 Sydney-Adelaide route is about 2.9% of Earth's circumference. A commercial jet covers this distance in about 1h 57min.
The straight-line distance from Sydney to Adelaide 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.
Adelaide is approximately -1h behind compared to Sydney.
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.