Dubrovnik to Zakynthos Sea Distance Calculator

Calculate the exact nautical distance from Dubrovnik, Croatia to Zakynthos, Greece. Plan your maritime journey with our professional route calculator.

Distance: 339.2 nm; nautical miles
Under Sail: 2.8 days; at 5 knots
Under Power: 34 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.

Interactive Route Map

Loading map...

Distance: 339.2 nautical miles

🧮 Open Interactive Calculator

This map shows the direct sea route from Dubrovnik to Zakynthos. 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 319 nm direct line, its heading turning from west-southwest to southwest. It is an international crossing between two countries.

Sea distance: 339.2 nm (628.2 km)
Direct line: 319 nm6% longer
Great-circle bearing: 155° (south-southeast)
Sea area: Mediterranean Sea
Geographic extent: 4.9° × 3.0°
Crossing: Cross-border · Same region
From: Dubrovnik (Croatia) 42.6507, 18.0944
To: Zakynthos (Greece) 37.7870, 20.8999
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	2.8 days
8 kn	42 hours
10 kn	34 hours
12 kn	28 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 Dubrovnik to Zakynthos Route

The maritime route from Dubrovnik to Zakynthos is a overnight offshore 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 Dubrovnik in Croatia with Zakynthos in Greece.

Navigation Tips

•On this overnight offshore 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 overnight offshore 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 overnight offshore passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this international route within the same maritime region.

More Routes from Dubrovnik

Frequently Asked Questions

How far is it from Dubrovnik to Zakynthos by sea?

The sea distance from Dubrovnik to Zakynthos is approximately 339.2 nautical miles — a overnight offshore passage in Mediterranean.

How long does it take to sail from Dubrovnik to Zakynthos?

A overnight offshore within the same maritime region crossing of 339.2 nautical miles typically takes 1.4 days – 2.8 days, depending on vessel and weather.

What's the best time to sail from Dubrovnik to Zakynthos?

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