Syros to Palermo Sea Distance Calculator

Calculate the exact nautical distance from Syros, Greece to Palermo, Italy. Plan your maritime journey with our professional route calculator.

Distance: 621 nm; nautical miles
Under Sail: 5.2 days; at 5 knots
Under Power: 2.6 days; 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: 621 nautical miles

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This map shows the direct sea route from Syros to Palermo. 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 13% longer than the 551 nm direct line, its heading turning from southeast to south. It is an international crossing between two countries. By way of the Corinth Canal and the Strait of Messina.

Sea distance: 621 nm (1150 km)
Direct line: 550.7 nm13% longer
Great-circle bearing: 278° (west)
Sea area: Mediterranean Sea
Geographic extent: 1.0° × 11.6°
Crossing: Cross-border · Same region
Transits: Corinth Canal
Strait of Messina
From: Syros (Greece) 37.4385, 24.9421
To: Palermo (Italy) 38.1157, 13.3615
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	5.2 days
8 kn	3.2 days
10 kn	2.6 days
12 kn	2.2 days

Distance follows a sea-lane route generated from marine traffic lanes; passage times are computed at fixed cruising speeds.

Named transits are identified from the sea-lane waypoint path.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Syros to Palermo Route

A long open-water international sea route between Syros and Palermo, this passage serving a major port and an island destination in the Mediterranean region demands attention to local seasonal winds that vary by area — check a current marine forecast before departure.

The corridor within the same maritime region joins Syros, Greece to Palermo, Italy.

Navigation Tips

•Plan this long open-water international leg in the Mediterranean region with attention to local seasonal winds that vary by area — check a current marine forecast before departure.
•Provisioning for this long open-water passage in Mediterranean should account for regional supply networks.
•Allow time for entry formalities on this international leg within the same maritime region.
•Adapt safety equipment to Mediterranean conditions for this long open-water crossing.
•For a international crossing within the same maritime region, ensure clearance papers and visas are in order before departure.

Suggested Stops

On a long 621 nm passage from Syros to Palermo, these ports make convenient places to break the journey, refuel, and rest.

Mesolongion (Greece) · ≈190.1 nm in — View port details
Messina (Italy) · ≈487.1 nm in — View port details

More Routes from Syros

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Frequently Asked Questions

How far is it from Syros to Palermo by sea?

This is a long open-water sea passage of about 621 nautical miles between Syros and Palermo in Mediterranean.

How long does it take to sail from Syros to Palermo?

Average voyage time on this long open-water within the same maritime region leg of 621 nautical miles is 2.6 days – 5.2 days.

What's the best time to sail from Syros to Palermo?

Aim for May-October for the calmest passage in Mediterranean; off-peak periods bring local seasonal winds that vary by area — check a current marine forecast before departure.

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