Syros to Denia Sea Distance Calculator

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

Distance: 1247 nm; nautical miles
Under Sail: 10.4 days; at 5 knots
Under Power: 5.2 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.

Interactive Route Map

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Distance: 1247 nautical miles

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This map shows the direct sea route from Syros to Denia. 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 6% longer than the 1172 nm direct line, its heading turning from southeast to south. It is an international crossing between two countries.

Sea distance: 1247 nm (2309.5 km)
Direct line: 1172.2 nm6% longer
Great-circle bearing: 282° (west-northwest)
Sea area: Mediterranean Sea
Geographic extent: 2.9° × 24.9°
Crossing: Cross-border · Same region
From: Syros (Greece) 37.4385, 24.9421
To: Denia (Spain) 38.8411, 0.1061
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	10.4 days
8 kn	6.5 days
10 kn	5.2 days
12 kn	4.3 days

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 Syros to Denia Route

The maritime route from Syros to Denia is a long-haul ocean international passage between coastal ports in the Mediterranean region. Mariners on this leg typically prepare for local seasonal winds that vary by area — check a current marine forecast before departure.

This route runs within the same maritime region, connecting Syros in Greece with Denia in Spain.

Navigation Tips

•On this long-haul ocean international crossing in the Mediterranean region, prepare for local seasonal winds that vary by area — check a current marine forecast before departure, particularly in peak season.
•For a long-haul ocean route, plan fuel and provisioning around the Mediterranean region — calculate consumption with our tool.
•Verify port-entry requirements at both ends of this international route within the same maritime region before you depart.
•Check safety gear suited to Mediterranean conditions before a long-haul ocean passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this international route within the same maritime region.

Suggested Stops

On a long 1247 nm passage from Syros to Denia, these ports make convenient places to break the journey, refuel, and rest.

Pozzallo (Italy) · ≈518.7 nm in — View port details
Banzart (Tunisia) · ≈757.5 nm in — View port details

More Routes from Syros

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Frequently Asked Questions

How far is it from Syros to Denia by sea?

The sea distance from Syros to Denia is approximately 1247 nautical miles — a long-haul ocean passage in Mediterranean.

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

A long-haul ocean within the same maritime region crossing of 1247 nautical miles typically takes 5.2 days – 10.4 days, depending on vessel and weather.

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

The best time for this route in Mediterranean is May-October, when conditions are most favourable; expect local seasonal winds that vary by area — check a current marine forecast before departure outside that window.

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