La Spezia to Trieste Sea Distance Calculator

Calculate the exact nautical distance from La Spezia, Italy to Trieste, Italy. Plan your maritime journey with our professional route calculator.

Distance
1140.2 nm
nautical miles
Under Sail
9.5 days
at 5 knots
Under Power
4.8 days
at 10 knots
Best Time
May-October
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: 1140.2 nautical miles
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This map shows the direct sea route from La Spezia to Trieste. 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 498% longer than the 191 nm direct line, its heading turning from southeast to north-northwest.

Sea distance
1140.2 nm (2111.7 km)
Direct line
190.7 nm498% longer
Great-circle bearing
59° (east-northeast)
Sea area
Mediterranean Sea
Geographic extent
7.8° × 9.1°
Crossing
Domestic · Same region
From
La Spezia (Italy) 44.1000, 9.8333
To
Trieste (Italy) 45.6510, 13.7460
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn9.5 days
8 kn5.9 days
10 kn4.8 days
12 kn4 days

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 La Spezia to Trieste Route

A long open-water domestic sea route between La Spezia and Trieste, this passage connecting two major commercial ports in the Mediterranean region demands attention to local seasonal winds that vary by area — check a current marine forecast before departure.

The corridor within the same maritime region joins La Spezia, Italy to Trieste, Italy.

Navigation Tips

  • •Plan this long open-water domestic leg in the Mediterranean region with attention to local seasonal winds that vary by area — check a current marine forecast before departure.
  • •Provisioning for this long open-water passage in Mediterranean should account for regional supply networks.
  • •Allow time for entry formalities on this domestic leg within the same maritime region.
  • •Adapt safety equipment to Mediterranean conditions for this long open-water crossing.
  • •For a domestic crossing within the same maritime region, ensure clearance papers and visas are in order before departure.

Suggested Stops

On a long 1140.2 nm passage from La Spezia to Trieste, these ports make convenient places to break the journey, refuel, and rest.

  1. Gioia Tauro (Italy) · ≈456.2 nm in — View port details
  2. Brindisi (Italy) · ≈749.2 nm in — View port details

Frequently Asked Questions

How far is it from La Spezia to Trieste by sea?

This is a long open-water sea passage of about 1140.2 nautical miles between La Spezia and Trieste in Mediterranean.

How long does it take to sail from La Spezia to Trieste?

Average voyage time on this long open-water within the same maritime region leg of 1140.2 nautical miles is 4.8 days – 9.5 days.

What's the best time to sail from La Spezia to Trieste?

Aim for May-October for the calmest passage in Mediterranean; off-peak periods bring local seasonal winds that vary by area — check a current marine forecast before departure.

Plan Your Perfect Maritime Journey

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