La Spezia to Napoli Sea Distance Calculator

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

Distance
323.3 nm
nautical miles
Under Sail
2.7 days
at 5 knots
Under Power
32 hours
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: 323.3 nautical miles
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This map shows the direct sea route from La Spezia to Napoli. 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 16% longer than the 278 nm direct line, its heading turning from southeast to northeast.

Sea distance
323.3 nm (598.8 km)
Direct line
277.7 nm16% longer
Great-circle bearing
133° (southeast)
Sea area
Mediterranean Sea
Geographic extent
3.5° × 4.4°
Crossing
Domestic · Same region
From
La Spezia (Italy) 44.1000, 9.8333
To
Napoli (Italy) 40.8330, 14.2750
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn2.7 days
8 kn40 hours
10 kn32 hours
12 kn27 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 La Spezia to Napoli Route

Linking La Spezia and Napoli, this multi-day coastal domestic crossing connecting two major commercial ports sits in the Mediterranean region — a passage shaped by local seasonal winds that vary by area — check a current marine forecast before departure.

The lane links La Spezia (Italy) and Napoli (Italy), within the same maritime region.

Navigation Tips

  • •A multi-day coastal domestic passage in the Mediterranean region typically requires planning for local seasonal winds that vary by area — check a current marine forecast before departure.
  • •A multi-day coastal leg in Mediterranean benefits from waypoint planning and verified fuel availability.
  • •Confirm operating hours and clearance procedures for this domestic crossing within the same maritime region, since rules vary by port.
  • •Verify that emergency equipment matches the demands of a multi-day coastal leg in Mediterranean.
  • •Documentation requirements differ for domestic passages within the same maritime region; verify cruising permits in advance.

Frequently Asked Questions

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

Approximately 323.3 nautical miles separate La Spezia and Napoli by sea, making this a multi-day coastal leg in Mediterranean.

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

Expect about 1.3 days – 2.7 days for a multi-day coastal run of 323.3 nautical miles within the same maritime region.

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

Peak sailing season here is May-October; year-round, Mediterranean routes contend with local seasonal winds that vary by area — check a current marine forecast 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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