Marseille to Civitavecchia Sea Distance Calculator

Calculate the exact nautical distance from Marseille, France to Civitavecchia, Italy. Plan your maritime journey with our professional route calculator.

Distance: 331 nm; nautical miles
Under Sail: 2.8 days; at 5 knots
Under Power: 33 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.

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Distance: 331 nautical miles

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This map shows the direct sea route from Marseille to Civitavecchia. 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 13% longer than the 292 nm direct line, its heading turning from west-northwest to east-southeast. It is an international crossing between two countries.

Sea distance: 331 nm (613 km)
Direct line: 292.5 nm13% longer
Great-circle bearing: 102° (east-southeast)
Sea area: Mediterranean Sea
Geographic extent: 1.2° × 6.6°
Crossing: Cross-border · Same region
From: Marseille (France) 43.2965, 5.3698
To: Civitavecchia (Italy) 42.0937, 11.7948
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	2.8 days
8 kn	41 hours
10 kn	33 hours
12 kn	28 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 Marseille to Civitavecchia Route

Linking Marseille and Civitavecchia, this multi-day coastal cross-border crossing between two major harbours sits in the Mediterranean region — a passage shaped by conditions that shift with the season and locality, so consult an up-to-date marine forecast.

The lane links Marseille (France) and Civitavecchia (Italy), between neighbouring ports of the same region.

Navigation Tips

•A multi-day coastal cross-border passage in the Mediterranean region typically requires planning for conditions that shift with the season and locality, so consult an up-to-date marine forecast.
•A multi-day coastal leg in Mediterranean benefits from waypoint planning and verified fuel availability.
•Confirm operating hours and clearance procedures for this cross-border crossing between neighbouring ports of the same 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 cross-border passages between neighbouring ports of the same region; verify cruising permits in advance.

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Frequently Asked Questions

How far is it from Marseille to Civitavecchia by sea?

Approximately 331 nautical miles separate Marseille and Civitavecchia by sea, making this a multi-day coastal leg in Mediterranean.

How long does it take to sail from Marseille to Civitavecchia?

Expect about 1.4 days – 2.8 days for a multi-day coastal run of 331 nautical miles between neighbouring ports of the same region.

What's the best time to sail from Marseille to Civitavecchia?

Peak sailing season here is May-October; year-round, Mediterranean routes contend with conditions that shift with the season and locality, so consult an up-to-date marine forecast.

Plan Your Perfect Maritime Journey

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