Denia to Kos Sea Distance Calculator

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

Distance: 1366.7 nm; nautical miles
Under Sail: 11.4 days; at 5 knots
Under Power: 5.7 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: 1366.7 nautical miles

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This map shows the direct sea route from Denia to Kos. 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 1289 nm direct line, its heading turning from north to southwest. It is an international crossing between two countries.

Sea distance: 1366.7 nm (2531 km)
Direct line: 1288.9 nm6% longer
Great-circle bearing: 87° (east)
Sea area: Mediterranean Sea
Geographic extent: 2.9° × 27.2°
Crossing: Cross-border · Same region
From: Denia (Spain) 38.8411, 0.1061
To: Kos (Greece) 36.8916, 27.2877
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	11.4 days
8 kn	7.1 days
10 kn	5.7 days
12 kn	4.7 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 Denia to Kos Route

A long open-water cross-border sea route between Denia and Kos, this passage on a coastal route 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 Denia, Spain to Kos, Greece.

Navigation Tips

•Plan this long open-water 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 long open-water 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 long open-water crossing.
•For a cross-border crossing between neighbouring ports of the same region, ensure clearance papers and visas are in order before departure.

Suggested Stops

On a long 1366.7 nm passage from Denia to Kos, these ports make convenient places to break the journey, refuel, and rest.

Banzart (Tunisia) · ≈489.6 nm in — View port details
Pozzallo (Italy) · ≈728.3 nm in — View port details

More Routes from Denia

Frequently Asked Questions

How far is it from Denia to Kos by sea?

This is a long open-water sea passage of about 1366.7 nautical miles between Denia and Kos in Mediterranean.

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

Average voyage time on this long open-water between neighbouring ports of the same region leg of 1366.7 nautical miles is 5.7 days – 11.4 days.

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

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.

Plan another route with our Sea Distance Calculator Navigation Guide