Sydney to Newcastle Sea Distance Calculator

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

Distance: 113.5 nm; nautical miles
Under Sail: 23 hours; at 5 knots
Under Power: 11 hours; at 10 knots
Best Time: May-October; 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: 113.5 nautical miles

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

Passage details

This is a markedly indirect coastal passage: the navigable route runs 79% longer than the 63 nm direct line, its heading turning from east-northeast to west-northwest. It spans two maritime regions.

Sea distance: 113.5 nm (210.1 km)
Direct line: 63.2 nm79% longer
Great-circle bearing: 27° (north-northeast)
Geographic extent: 1.1° × 1.0°
Crossing: Domestic · Cross-region
From: Sydney (Australia) -33.8568, 151.2153
To: Newcastle (Australia) -32.9167, 151.7833
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	23 hours
8 kn	14 hours
10 kn	11 hours
12 kn	9 hours

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 Newcastle Route

The maritime route from Sydney to Newcastle is a day-passage domestic passage connecting two major commercial ports in the Pacific region. Mariners on this leg typically prepare for the western Pacific typhoon season July through October.

This route runs spanning two distinct maritime regions, connecting Sydney in Australia with Newcastle in Australia.

Navigation Tips

•On this day-passage domestic crossing in the Pacific region, prepare for the western Pacific typhoon season July through October, particularly in peak season.
•For a day-passage 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 spanning two distinct maritime regions before you depart.
•Check safety gear suited to Pacific conditions before a day-passage passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this domestic route spanning two distinct maritime regions.

More Routes from Sydney

Frequently Asked Questions

How far is it from Sydney to Newcastle by sea?

The sea distance from Sydney to Newcastle is approximately 113.5 nautical miles — a day-passage passage in Pacific.

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

A day-passage spanning two distinct maritime regions crossing of 113.5 nautical miles typically takes 11 hours – 23 hours, depending on vessel and weather.

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

The best time for this route in Pacific is May-October, when conditions are most favourable; expect the western Pacific typhoon season July through October outside that window.

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