Stockholm to Helsinki Sea Distance Calculator

Calculate the exact nautical distance from Stockholm, Sweden to Helsinki, Finland. Plan your maritime journey with our professional route calculator.

Distance
247 nm
nautical miles
Typical Duration
16-17 hours
by ferry
Ferry Service
daily
frequency
Best Time
June-August
peak season

Interactive Route Map

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

About Stockholm to Helsinki Route

The maritime route from Stockholm to Helsinki is one of the popular sea connections in the Northern Europe region. This 247 nautical mile journey typically takes 16-17 hours depending on your vessel type and weather conditions.

Stockholm serves as a major port in Sweden, while Helsinki is an important major destination in Finland. Both ports offer excellent facilities for recreational and commercial vessels.

Regular ferry services operate daily between these ports, with increased frequency during the June-August season.

Navigation Tips

  • •Check weather forecasts before departure, especially during winter months
  • •Consider fuel stops for longer journeys - calculate consumption using our tool
  • •Verify port entry requirements and operating hours at both destinations
  • •Account for seasonal variations in sea conditions and daylight hours
  • •Keep updated nautical charts and follow established shipping lanes

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Continue from Helsinki

→ Tallinn
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→ Turku
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Frequently Asked Questions

How far is it from Stockholm to Helsinki by sea?

The sea distance from Stockholm to Helsinki is approximately 247 nautical miles. The exact distance may vary slightly depending on your specific route and any waypoints you include.

How long does it take to sail from Stockholm to Helsinki?

By ferry, the journey typically takes 16-17 hours. For private vessels, sailing time depends on your cruising speed. At 10 knots, expect approximately 25 hours of sailing time.

What's the best time to sail from Stockholm to Helsinki?

The peak season for this route is June-August, offering the best weather conditions and calmer seas. 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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