Monaco to Marseille Sea Distance Calculator

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

Distance: 150 nm; nautical miles
Under Sail: 30 hours; at 5 knots
Under Power: 15 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: 150 nautical miles

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This map shows the direct sea route from Monaco to Marseille. 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 61% longer than the 93 nm direct line, its heading turning from west-southwest to east-southeast. It is an international crossing between two countries.

Sea distance: 150 nm (277.9 km)
Direct line: 93.3 nm61% longer
Great-circle bearing: 254° (west-southwest)
Sea area: Western Mediterranean
Geographic extent: 0.9° × 2.2°
Crossing: Cross-border · Same region
From: Monaco (Monaco) 43.7384, 7.4246
To: Marseille (France) 43.2965, 5.3698
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	30 hours
8 kn	19 hours
10 kn	15 hours
12 kn	13 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 Monaco to Marseille Route

The maritime route from Monaco to Marseille is a day-passage international passage between coastal ports in the Mediterranean region. Mariners on this leg typically prepare for the Mistral and Tramontane — cold, strong northerlies funnelling down from the north-west.

This route runs within the same maritime region, connecting Monaco in Monaco with Marseille in France.

Navigation Tips

•On this day-passage international crossing in the Mediterranean region, prepare for the Mistral and Tramontane — cold, strong northerlies funnelling down from the north-west, 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 international route within the same maritime 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 international route within the same maritime region.

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Frequently Asked Questions

How far is it from Monaco to Marseille by sea?

The sea distance from Monaco to Marseille is approximately 150 nautical miles — a day-passage passage in Mediterranean.

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

A day-passage within the same maritime region crossing of 150 nautical miles typically takes 15 hours – 30 hours, depending on vessel and weather.

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

The best time for this route in Mediterranean is May-October, when conditions are most favourable; expect the Mistral and Tramontane — cold, strong northerlies funnelling down from the north-west 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