Kuala Lumpur to Penang Sea Distance Calculator

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

Distance: 237.3 nm; nautical miles
Under Sail: 47 hours; at 5 knots
Under Power: 24 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.

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Distance: 237.3 nautical miles

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This map shows the direct sea route from Kuala Lumpur to Penang. 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 50% longer than the 159 nm direct line, its heading turning from west to south-southwest.

Sea distance: 237.3 nm (439.4 km)
Direct line: 158.5 nm50% longer
Great-circle bearing: 336° (north-northwest)
Geographic extent: 2.6° × 1.6°
Crossing: Domestic · Same region
From: Kuala Lumpur (Malaysia) 3.0000, 101.3999
To: Penang (Malaysia) 5.4164, 100.3327
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	47 hours
8 kn	30 hours
10 kn	24 hours
12 kn	20 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 Kuala Lumpur to Penang Route

A medium ocean domestic sea route between Port Klang and Penang, this passage connecting two major commercial ports in the Southeast Asia region demands attention to typhoon-track exposure July through October in the northern reaches.

The corridor within the same maritime region joins Port Klang, Malaysia to Penang, Malaysia.

Navigation Tips

•Plan this medium ocean domestic leg in the Southeast Asia region with attention to typhoon-track exposure July through October in the northern reaches.
•Provisioning for this medium ocean passage in Southeast Asia should account for regional supply networks.
•Allow time for entry formalities on this domestic leg within the same maritime region.
•Adapt safety equipment to Southeast Asia conditions for this medium ocean crossing.
•For a domestic crossing within the same maritime region, ensure clearance papers and visas are in order before departure.

More Routes from Kuala Lumpur

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Frequently Asked Questions

How far is it from Kuala Lumpur to Penang by sea?

This is a medium ocean sea passage of about 237.3 nautical miles between Kuala Lumpur and Penang in Southeast Asia.

How long does it take to sail from Kuala Lumpur to Penang?

Average voyage time on this medium ocean within the same maritime region leg of 237.3 nautical miles is 24 hours – 47 hours.

What's the best time to sail from Kuala Lumpur to Penang?

Aim for November-March for the calmest passage in Southeast Asia; off-peak periods bring typhoon-track exposure July through October in the northern reaches.

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