Copenhagen to Stockholm Sea Distance Calculator

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

Distance: 440.1 nm; nautical miles
Under Sail: 3.7 days; at 5 knots
Under Power: 44 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.

Interactive Route Map

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Distance: 440.1 nautical miles

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This map shows the direct sea route from Copenhagen to Stockholm. 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 56% longer than the 282 nm direct line, its heading turning from south-southeast to west-southwest. It is an international crossing between two countries.

Sea distance: 440.1 nm (815 km)
Direct line: 281.9 nm56% longer
Great-circle bearing: 37° (northeast)
Geographic extent: 4.2° × 7.1°
Crossing: Cross-border · Same region
From: Copenhagen (Denmark) 55.6761, 12.5683
To: Stockholm (Sweden) 59.3293, 18.0686
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	3.7 days
8 kn	2.3 days
10 kn	44 hours
12 kn	37 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 Stockholm Route

A medium ocean cross-border sea route between Copenhagen and Stockholm, 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 between neighbouring ports of the same region joins Copenhagen, Denmark to Stockholm, Sweden.

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 between neighbouring ports of the same region.
•Adapt safety equipment to Northern Europe conditions for this medium ocean crossing.
•For a cross-border crossing between neighbouring ports of the same region, ensure clearance papers and visas are in order before departure.