Kotka to Sankt Peterburg Sea Distance Calculator

Calculate the exact nautical distance from Kotka, Finland to Sankt Peterburg, Russia. Plan your maritime journey with our professional route calculator.

Distance
131.6 nm
nautical miles
Under Sail
26 hours
at 5 knots
Under Power
13 hours
at 10 knots
Best Time
May-September
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: 131.6 nautical miles
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This map shows the direct sea route from Kotka to Sankt Peterburg. 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 26% longer than the 104 nm direct line, its heading turning from south to east. It is an international crossing between two countries.

Sea distance
131.6 nm (243.7 km)
Direct line
104.5 nm26% longer
Great-circle bearing
106° (east-southeast)
Geographic extent
0.5° × 3.3°
Crossing
Cross-border · Same region
From
Kotka (Finland) 60.4667, 26.9667
To
Sankt Peterburg (Russia) 59.9333, 30.3000
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn26 hours
8 kn16 hours
10 kn13 hours
12 kn11 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 Kotka to Sankt Peterburg Route

A medium-length coastal international sea route between Kotka and Sankt-Peterburg, this passage connecting two major commercial ports in the Northern Europe region demands attention to tidal streams and seasonal ice in the higher latitudes.

The corridor within the same maritime region joins Kotka, Finland to Sankt-Peterburg, Russia.

Navigation Tips

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

Frequently Asked Questions

How far is it from Kotka to Sankt Peterburg by sea?

This is a medium-length coastal sea passage of about 131.6 nautical miles between Kotka and Sankt Peterburg in Northern Europe.

How long does it take to sail from Kotka to Sankt Peterburg?

Average voyage time on this medium-length coastal within the same maritime region leg of 131.6 nautical miles is 13 hours – 26 hours.

What's the best time to sail from Kotka to Sankt Peterburg?

Aim for May-September for the calmest passage in Northern Europe; off-peak periods bring tidal streams and seasonal ice in the higher latitudes.

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