Cairns, Australia → Sydney, Australia · ✈ 2h 57min · 🚗 31h 52min
1,059 nautical miles · Time difference: Same timezone · Direction: southeast
The distance from Cairns to Sydney is 1,961 km (1,219 miles). The fastest way to travel is by flight. A direct flight takes approximately 2h 57min.
The straight-line distance from Cairns, Australia to Sydney, Australia is approximately 1,961 kilometers (1,219 miles or 1,059 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 southeast of Cairns. Cairns is in Oceania, in the Queensland 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 | 1,961 km | ~2h 57min | Best option for speed |
| 🚗 Drive | ~2,549 km | ~31h 52min | Long journey, consider stops |
| 🚂 Regular Train | ~2,353 km | ~19h 37min | Scenic but slow |
Our recommendation: flight is typically the best way to travel from Cairns to Sydney. For 1,961 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 2,549 km, fuel costs for driving from Cairns to Sydney are approximately $204–$382 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.
Cairns sits at 16.9186°S, 145.7781°E, while Sydney is located at 33.8688°S, 151.2093°E. The initial compass bearing from Cairns to Sydney is 165° (SSE), so a great-circle flight path leaves Cairns heading roughly SSE. 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 16.95° and the longitude difference is 5.43°. 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 Cairns and Sydney is approximately 25.4185°S, 148.3015°E. This is the great-circle halfway position — the spot where you would be exactly 981 km from each city. On long-haul flights this point usually falls over open ocean or remote terrain, which is why in-flight maps often look "empty" mid-route.
Cairns and Sydney share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Cairns is a major city in Australia with a population of approximately 153,075. Located in the Queensland region, it is an important hub in Oceania. Despite its smaller size, Cairns plays an important regional role in Australia and attracts visitors year-round.
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.
→ See all distances from Sydney
1,961 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.
The 1,961 km between Cairns and Sydney means a beam of light could travel this distance in approximately 6.5 milliseconds — but a flight still takes 2h 57min.
See how the Cairns to Sydney distance compares to similar routes:
The straight-line distance from Cairns to Sydney is approximately 1,961 kilometers (1,219 miles, 1,059 nautical miles).
A direct flight takes approximately 2h 57min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 31h 52min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Sydney is approximately Same timezone compared to Cairns.
The estimated road distance is approximately 2,549 km, which is about 30% longer than the 1,961 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.