Copenhagen to Gdansk Sea Distance Calculator

Calculate the exact nautical distance from Copenhagen, Denmark to Gdansk, Poland. Plan your maritime journey with our professional route calculator.

Distance: 296.2 nm; nautical miles
Under Sail: 2.5 days; at 5 knots
Under Power: 30 hours; at 10 knots
Best Time: Varies by area; 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: 296.2 nautical miles

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This map shows the direct sea route from Copenhagen to Gdansk. 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 32% longer than the 224 nm direct line, its heading turning from south-southeast to west-southwest. It is an international crossing between two countries. It spans two maritime regions.

Sea distance: 296.2 nm (548.6 km)
Direct line: 223.8 nm32% longer
Great-circle bearing: 108° (east-southeast)
Geographic extent: 1.3° × 6.5°
Crossing: Cross-border · Cross-region
From: Copenhagen (Denmark) 55.6761, 12.5683
To: Gdansk (Poland) 54.3520, 18.6466
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	2.5 days
8 kn	37 hours
10 kn	30 hours
12 kn	25 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 Copenhagen to Gdansk Route

A medium ocean cross-border sea route between Copenhagen and Gdańsk, this passage between two major harbours in the Northern Europe region demands attention to tidal streams and seasonal ice in the higher latitudes.

The corridor crossing between different maritime regions joins Copenhagen, Denmark to Gdańsk, Poland.

Navigation Tips

•Plan this medium ocean cross-border leg in the Northern Europe region with attention to tidal streams and seasonal ice in the higher latitudes.
•Provisioning for this medium ocean passage in Northern Europe should account for regional supply networks.
•Allow time for entry formalities on this cross-border leg crossing between different maritime regions.
•Adapt safety equipment to Northern Europe conditions for this medium ocean crossing.
•For a cross-border crossing crossing between different maritime regions, ensure clearance papers and visas are in order before departure.

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Frequently Asked Questions

How far is it from Copenhagen to Gdansk by sea?

This is a medium ocean sea passage of about 296.2 nautical miles between Copenhagen and Gdansk in Northern Europe.

How long does it take to sail from Copenhagen to Gdansk?

Average voyage time on this medium ocean crossing between different maritime regions leg of 296.2 nautical miles is 1.2 days – 2.5 days.

What's the best time to sail from Copenhagen to Gdansk?

Conditions on this route vary by area and season, so there is no single best time that applies along its whole length. Always check current weather forecasts and sea conditions before departure.

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.

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