Kos to Nice Sea Distance Calculator

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

Distance: 1134.4 nm; nautical miles
Under Sail: 9.5 days; at 5 knots
Under Power: 4.7 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.

Interactive Route Map

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Distance: 1134.4 nautical miles

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This map shows the direct sea route from Kos to Nice. 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 1000 nm direct line, its heading turning from northeast to northwest. It is an international crossing between two countries. By way of the Corinth Canal and the Strait of Messina.

Sea distance: 1134.4 nm (2100.9 km)
Direct line: 999.6 nm13% longer
Great-circle bearing: 300° (west-northwest)
Sea area: Mediterranean Sea
Geographic extent: 6.8° × 20.1°
Crossing: Cross-border · Same region
Transits: Corinth Canal
Strait of Messina
From: Kos (Greece) 36.8916, 27.2877
To: Nice (France) 43.6961, 7.2858
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	9.5 days
8 kn	5.9 days
10 kn	4.7 days
12 kn	3.9 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 Kos to Nice Route

The maritime route from Kos to Nice 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 Kos in Greece with Nice in France.

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 1134.4 nm passage from Kos to Nice, these ports make convenient places to break the journey, refuel, and rest.

Zakynthos (Greece) · ≈345.4 nm in — View port details
Gioia Tauro (Italy) · ≈620.2 nm in — View port details

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Frequently Asked Questions

How far is it from Kos to Nice by sea?

The sea distance from Kos to Nice is approximately 1134.4 nautical miles — a long-haul ocean passage in Mediterranean.

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

A long-haul ocean within the same maritime region crossing of 1134.4 nautical miles typically takes 4.7 days – 9.5 days, depending on vessel and weather.

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

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