Gdansk to Riga Sea Distance Calculator

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

Distance: 361.5 nm; nautical miles
Under Sail: 3 days; at 5 knots
Under Power: 36 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: 361.5 nautical miles

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This map shows the direct sea route from Gdansk to Riga. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a markedly indirect coastal passage: the navigable route runs 50% longer than the 242 nm direct line, its heading turning from east-northeast to south-southeast. It is an international crossing between two countries. It spans two maritime regions.

Sea distance: 361.5 nm (669.4 km)
Direct line: 241.8 nm50% longer
Great-circle bearing: 48° (northeast)
Geographic extent: 3.5° × 5.5°
Crossing: Cross-border · Cross-region
From: Gdansk (Poland) 54.3520, 18.6466
To: Riga (Latvia) 56.9496, 24.1052
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	3 days
8 kn	45 hours
10 kn	36 hours
12 kn	30 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 Gdansk to Riga Route

Linking Gdańsk and Riga, this multi-day coastal cross-border crossing between two major harbours sits in the Baltic region — a passage shaped by short steep seas from sudden wind shifts in summer.

The lane links Gdańsk (Poland) and Riga (Latvia), crossing between different maritime regions.

Navigation Tips

•A multi-day coastal cross-border passage in the Baltic region typically requires planning for short steep seas from sudden wind shifts in summer.
•A multi-day coastal leg in Baltic benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this cross-border crossing crossing between different maritime regions, since rules vary by port.
•Verify that emergency equipment matches the demands of a multi-day coastal leg in Baltic.
•Documentation requirements differ for cross-border passages crossing between different maritime regions; verify cruising permits in advance.

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Frequently Asked Questions

How far is it from Gdansk to Riga by sea?

Approximately 361.5 nautical miles separate Gdansk and Riga by sea, making this a multi-day coastal leg in Baltic.

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

Expect about 1.5 days – 3 days for a multi-day coastal run of 361.5 nautical miles crossing between different maritime regions.

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

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 Calculator Navigation Guide