Gdansk to Gdynia Sea Distance Calculator

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

Distance
≈ 11.4 nm
nautical miles
Under Sail
2 hours
at 5 knots
Under Power
1 hour
at 10 knots
Best Time
Varies by area
Typical Sailing Season

Distance is a direct-line estimate (≈) and may differ from a navigable sea route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 11.4 nautical miles
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This map shows the direct sea route from Gdansk to Gdynia. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is an open-water crossing: holding a steady north-northwest course. It spans two maritime regions.

Sea distance
≈ 11.4 nm (21.1 km)
Direct line
11.4 nm
Great-circle bearing
343° (north-northwest)
Geographic extent
0.2° × 0.1°
Crossing
Domestic · Cross-region
From
Gdansk (Poland) 54.3520, 18.6466
To
Gdynia (Poland) 54.5333, 18.5500
Route basis
Direct-line estimate
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn2 hours
8 kn1 hour
10 kn1 hour
12 kn1 hour

Distance is a direct-line (great-circle) estimate; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Gdansk to Gdynia Route

The maritime route from Gdańsk to Gdynia is a short coastal within one country passage between two major harbours in the Baltic region. Mariners on this leg typically prepare for ice conditions and reduced daylight November through April.

This route runs crossing between different maritime regions, connecting Gdańsk in Poland with Gdynia in Poland.

Navigation Tips

  • •On this short coastal within one country crossing in the Baltic region, prepare for ice conditions and reduced daylight November through April, particularly in peak season.
  • •For a short coastal route, plan fuel and provisioning around the Baltic region — calculate consumption with our tool.
  • •Verify port-entry requirements at both ends of this within one country route crossing between different maritime regions before you depart.
  • •Check safety gear suited to Baltic conditions before a short coastal passage — life rafts, EPIRB, and current charts.
  • •Carry passports, vessel documents, and crew lists matched to this within one country route crossing between different maritime regions.

Frequently Asked Questions

How far is it from Gdansk to Gdynia by sea?

The sea distance from Gdansk to Gdynia is approximately 11.4 nautical miles — a short coastal passage in Baltic.

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

A short coastal crossing between different maritime regions crossing of 11.4 nautical miles typically takes 1 hour – 2 hours, depending on vessel and weather.

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

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.

Plan another route with our Sea Distance CalculatorNavigation Guide