Singapore to Penang Sea Distance Calculator

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

Distance: 422.1 nm; nautical miles
Under Sail: 3.5 days; at 5 knots
Under Power: 42 hours; 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: 422.1 nautical miles

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This map shows the direct sea route from Singapore to Penang. 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 30% longer than the 325 nm direct line, its heading turning from west-southwest to south-southwest. It is an international crossing between two countries.

Sea distance: 422.1 nm (781.7 km)
Direct line: 325.2 nm30% longer
Great-circle bearing: 320° (northwest)
Geographic extent: 4.5° × 4.1°
Crossing: Cross-border · Same region
From: Singapore (Singapore) 1.2655, 103.8186
To: Penang (Malaysia) 5.4164, 100.3327
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	3.5 days
8 kn	2.2 days
10 kn	42 hours
12 kn	35 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 Penang Route

Linking Singapore and Penang, this multi-day coastal 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 Penang (Malaysia), between neighbouring ports of the same region.

Navigation Tips

•A multi-day coastal cross-border passage in the Southeast Asia region typically requires planning for Strait of Malacca traffic density and shifting tidal currents.
•A multi-day coastal 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 multi-day coastal leg in Southeast Asia.
•Documentation requirements differ for cross-border passages between neighbouring ports of the same region; verify cruising permits in advance.

More Routes from Singapore

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Frequently Asked Questions

How far is it from Singapore to Penang by sea?

Approximately 422.1 nautical miles separate Singapore and Penang by sea, making this a multi-day coastal leg in Southeast Asia.

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

Expect about 1.8 days – 3.5 days for a multi-day coastal run of 422.1 nautical miles between neighbouring ports of the same region.

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

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