Mykonos to Syros Sea Distance Calculator

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

Distance: 23.3 nm; nautical miles
Under Sail: 5 hours; at 5 knots
Under Power: 2 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: 23.3 nautical miles

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This map shows the direct sea route from Mykonos to Syros. 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 26% longer than the 18 nm direct line, its heading turning from west-northwest to northwest.

Sea distance: 23.3 nm (43.1 km)
Direct line: 18.4 nm26% longer
Great-circle bearing: 269° (west)
Sea area: Aegean Sea
Geographic extent: 0.1° × 0.4°
Crossing: Domestic · Same region
From: Mykonos (Greece) 37.4467, 25.3289
To: Syros (Greece) 37.4385, 24.9421
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	5 hours
8 kn	3 hours
10 kn	2 hours
12 kn	2 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 Mykonos to Syros Route

A inshore domestic sea route between Mykonos and Syros, this passage between two island ports in the Mediterranean region demands attention to the summer Meltemi — strong, dry northerlies that build through the afternoon.

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

Navigation Tips

•Plan this inshore domestic leg in the Mediterranean region with attention to the summer Meltemi — strong, dry northerlies that build through the afternoon.
•Provisioning for this inshore passage in Mediterranean should account for regional supply networks.
•Allow time for entry formalities on this domestic leg within the same maritime region.
•Adapt safety equipment to Mediterranean conditions for this inshore crossing.
•For a domestic crossing within the same maritime region, ensure clearance papers and visas are in order before departure.

More Routes from Mykonos

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Frequently Asked Questions

How far is it from Mykonos to Syros by sea?

This is a inshore sea passage of about 23.3 nautical miles between Mykonos and Syros in Mediterranean.

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

Average voyage time on this inshore within the same maritime region leg of 23.3 nautical miles is 2 hours – 5 hours.

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

Aim for May-October for the calmest passage in Mediterranean; off-peak periods bring the summer Meltemi — strong, dry northerlies that build through the afternoon.

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