Civitavecchia to Napoli Sea Distance Calculator

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

Distance: 172.3 nm; nautical miles
Under Sail: 34 hours; at 5 knots
Under Power: 17 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: 172.3 nautical miles

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This map shows the direct sea route from Civitavecchia 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 28% longer than the 135 nm direct line, its heading turning from west-northwest to northeast.

Sea distance: 172.3 nm (319.1 km)
Direct line: 134.8 nm28% longer
Great-circle bearing: 123° (east-southeast)
Sea area: Mediterranean Sea
Geographic extent: 1.5° × 2.6°
Crossing: Domestic · Same region
From: Civitavecchia (Italy) 42.0937, 11.7948
To: Napoli (Italy) 40.8330, 14.2750
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	34 hours
8 kn	22 hours
10 kn	17 hours
12 kn	14 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 Civitavecchia to Napoli Route

The maritime route from Civitavecchia to Napoli is a day-passage within one country passage between two major harbours in the Mediterranean region. Mariners on this leg typically prepare for conditions that shift with the season and locality, so consult an up-to-date marine forecast.

This route runs between neighbouring ports of the same region, connecting Civitavecchia in Italy with Napoli in Italy.

Navigation Tips

•On this day-passage within one country crossing in the Mediterranean region, prepare for conditions that shift with the season and locality, so consult an up-to-date marine forecast, particularly in peak season.
•For a day-passage route, plan fuel and provisioning around the Mediterranean region — calculate consumption with our tool.
•Verify port-entry requirements at both ends of this within one country route between neighbouring ports of the same region before you depart.
•Check safety gear suited to Mediterranean conditions before a day-passage passage — life rafts, EPIRB, and current charts.
•Carry passports, vessel documents, and crew lists matched to this within one country route between neighbouring ports of the same region.

More Routes from Civitavecchia

Frequently Asked Questions

How far is it from Civitavecchia to Napoli by sea?

The sea distance from Civitavecchia to Napoli is approximately 172.3 nautical miles — a day-passage passage in Mediterranean.

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

A day-passage between neighbouring ports of the same region crossing of 172.3 nautical miles typically takes 17 hours – 34 hours, depending on vessel and weather.

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

The best time for this route in Mediterranean is May-October, when conditions are most favourable; expect conditions that shift with the season and locality, so consult an up-to-date marine forecast outside that window.

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.

Plan another route with our Sea Distance Calculator Navigation Guide