Piraeus to Dubrovnik Sea Distance Calculator

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

Distance: 447.5 nm; nautical miles
Under Sail: 3.7 days; at 5 knots
Under Power: 45 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: 447.5 nautical miles

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This map shows the direct sea route from Piraeus to Dubrovnik. 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 18% longer than the 380 nm direct line, its heading turning from southwest to east-northeast. It is an international crossing between two countries. Transiting the Corinth Canal.

Sea distance: 447.5 nm (828.8 km)
Direct line: 379.5 nm18% longer
Great-circle bearing: 320° (northwest)
Sea area: Mediterranean Sea
Geographic extent: 4.8° × 5.6°
Crossing: Cross-border · Same region
Transits: Corinth Canal
From: Piraeus (Greece) 37.9475, 23.6375
To: Dubrovnik (Croatia) 42.6507, 18.0944
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	3.7 days
8 kn	2.3 days
10 kn	45 hours
12 kn	37 hours

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 Piraeus to Dubrovnik Route

A medium ocean cross-border sea route between Piraeus and Dubrovnik, this passage linking commerce and cruise traffic 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 Piraeus, Greece to Dubrovnik, Croatia.

Navigation Tips

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

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Frequently Asked Questions

How far is it from Piraeus to Dubrovnik by sea?

This is a medium ocean sea passage of about 447.5 nautical miles between Piraeus and Dubrovnik in Mediterranean.

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

Average voyage time on this medium ocean between neighbouring ports of the same region leg of 447.5 nautical miles is 1.9 days – 3.7 days.

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

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

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