Singapore to Jakarta Sea Distance Calculator

Calculate the exact nautical distance from Singapore, Singapore to Jakarta, Indonesia. Plan your maritime journey with our professional route calculator.

Distance: 517.2 nm; nautical miles
Under Sail: 4.3 days; at 5 knots
Under Power: 2.2 days; at 10 knots
Best Time: November-March; 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: 517.2 nautical miles

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

Passage details

This is a near-direct coastal passage: the navigable route runs 8% longer than the 478 nm direct line, its heading turning from west-southwest to south. It is an international crossing between two countries.

Sea distance: 517.2 nm (957.8 km)
Direct line: 478.1 nm8% longer
Great-circle bearing: 158° (south-southeast)
Geographic extent: 7.4° × 3.3°
Crossing: Cross-border · Same region
From: Singapore (Singapore) 1.2655, 103.8186
To: Jakarta (Indonesia) -6.0916, 106.8718
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	4.3 days
8 kn	2.7 days
10 kn	2.2 days
12 kn	43 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 Singapore to Jakarta Route

Linking Singapore and Jakarta, this extended offshore cross-border crossing between two major harbours sits in the Southeast Asia region — a passage shaped by Strait of Malacca traffic density and shifting tidal currents.

The lane links Singapore (Singapore) and Jakarta (Indonesia), between neighbouring ports of the same region.

Navigation Tips

•A extended offshore cross-border passage in the Southeast Asia region typically requires planning for Strait of Malacca traffic density and shifting tidal currents.
•A extended offshore leg in Southeast Asia benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this cross-border crossing between neighbouring ports of the same region, since rules vary by port.
•Verify that emergency equipment matches the demands of a extended offshore leg in Southeast Asia.
•Documentation requirements differ for cross-border passages between neighbouring ports of the same region; verify cruising permits in advance.

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Frequently Asked Questions

How far is it from Singapore to Jakarta by sea?

Approximately 517.2 nautical miles separate Singapore and Jakarta by sea, making this a extended offshore leg in Southeast Asia.

How long does it take to sail from Singapore to Jakarta?

Expect about 2.2 days – 4.3 days for a extended offshore run of 517.2 nautical miles between neighbouring ports of the same region.

What's the best time to sail from Singapore to Jakarta?

Peak sailing season here is November-March; year-round, Southeast Asia routes contend with Strait of Malacca traffic density and shifting tidal currents.

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