Beirut to Marmaris Sea Distance Calculator

Calculate the exact nautical distance from Beirut, Lebanon to Marmaris, Turkey. Plan your maritime journey with our professional route calculator.

Distance: 421.4 nm; nautical miles
Under Sail: 3.5 days; at 5 knots
Under Power: 42 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.

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Distance: 421.4 nautical miles

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This map shows the direct sea route from Beirut to Marmaris. 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 7% longer than the 395 nm direct line, its heading turning from northeast to north-northeast. It is an international crossing between two countries.

Sea distance: 421.4 nm (780.4 km)
Direct line: 395 nm7% longer
Great-circle bearing: 299° (west-northwest)
Sea area: Mediterranean Sea
Geographic extent: 3.0° × 7.3°
Crossing: Cross-border · Same region
From: Beirut (Lebanon) 33.9008, 35.4844
To: Marmaris (Turkey) 36.8511, 28.2700
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 Beirut to Marmaris Route

A medium ocean cross-border sea route between Beirut and Marmaris, this passage linking commerce and cruise traffic in the Mediterranean region demands attention to conditions that shift with the season and locality, so consult an up-to-date marine forecast.

The corridor between neighbouring ports of the same region joins Beirut, Lebanon to Marmaris, Turkey.

Navigation Tips

•Plan this medium ocean cross-border leg in the Mediterranean region with attention to conditions that shift with the season and locality, so consult an up-to-date marine forecast.
•Provisioning for this medium ocean passage in Mediterranean should account for regional supply networks.
•Allow time for entry formalities on this cross-border leg between neighbouring ports of the same region.
•Adapt safety equipment to Mediterranean conditions for this medium ocean crossing.
•For a cross-border crossing between neighbouring ports of the same region, ensure clearance papers and visas are in order before departure.

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Frequently Asked Questions

How far is it from Beirut to Marmaris by sea?

This is a medium ocean sea passage of about 421.4 nautical miles between Beirut and Marmaris in Mediterranean.

How long does it take to sail from Beirut to Marmaris?

Average voyage time on this medium ocean between neighbouring ports of the same region leg of 421.4 nautical miles is 1.8 days – 3.5 days.

What's the best time to sail from Beirut to Marmaris?

Aim for May-October for the calmest passage in Mediterranean; off-peak periods bring conditions that shift with the season and locality, so consult an up-to-date marine forecast.

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.

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