Sydney to Hobart Sea Distance Calculator

Calculate the exact nautical distance from Sydney, Australia to Hobart, Australia. Plan your maritime journey with our professional route calculator.

Distance: 686.5 nm; nautical miles
Under Sail: 5.7 days; at 5 knots
Under Power: 2.9 days; at 10 knots
Best Time: Varies by area; Typical Sailing Season

Distance follows a sea-lane route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 686.5 nautical miles

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This map shows the direct sea route from Sydney to Hobart. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a moderately indirect coastal passage: the navigable route runs 20% longer than the 572 nm direct line, its heading turning from east-northeast to north-northwest.

Sea distance: 686.5 nm (1271.3 km)
Direct line: 571.8 nm20% longer
Great-circle bearing: 197° (south-southwest)
Sea area: Pacific Ocean
Geographic extent: 9.8° × 4.2°
Crossing: Domestic · Same region
From: Sydney (Australia) -33.8568, 151.2153
To: Hobart (Australia) -42.8821, 147.3272
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	5.7 days
8 kn	3.6 days
10 kn	2.9 days
12 kn	2.4 days

Distance follows a sea-lane route generated from marine traffic lanes; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Sydney to Hobart Route

The maritime route from Sydney to Hobart is a long-haul ocean domestic passage connecting a working port with a cruise destination in the Pacific region. Mariners on this leg typically prepare for the western Pacific typhoon season July through October.

This route runs within the same maritime region, connecting Sydney in Australia with Hobart in Australia.

Navigation Tips

•On this long-haul ocean domestic crossing in the Pacific region, prepare for the western Pacific typhoon season July through October, particularly in peak season.
•For a long-haul ocean route, plan fuel and provisioning around the Pacific region — calculate consumption with our tool.
•Verify port-entry requirements at both ends of this domestic route within the same maritime region before you depart.
•Check safety gear suited to Pacific conditions before a long-haul ocean passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this domestic route within the same maritime region.

Suggested Stops

On a long 686.5 nm passage from Sydney to Hobart, these ports make convenient places to break the journey, refuel, and rest.

Eden (Australia) · ≈217.2 nm in — View port details

More Routes from Sydney

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Frequently Asked Questions

How far is it from Sydney to Hobart by sea?

The sea distance from Sydney to Hobart is approximately 686.5 nautical miles — a long-haul ocean passage in Pacific.

How long does it take to sail from Sydney to Hobart?

A long-haul ocean within the same maritime region crossing of 686.5 nautical miles typically takes 2.9 days – 5.7 days, depending on vessel and weather.

What's the best time to sail from Sydney to Hobart?

Conditions on this route vary by area and season, so there is no single best time that applies along its whole length. Always check current weather forecasts and sea conditions before departure.

Plan Your Perfect Maritime Journey

Use our advanced calculator above to customize your route, add waypoints, calculate fuel costs, and share your journey plan with crew members.

Plan another route with our Sea Distance Calculator Navigation Guide