Jamaica Montego Bay to Havana Sea Distance Calculator

Calculate the exact nautical distance from Jamaica Montego Bay, Jamaica to Havana, Cuba. Plan your maritime journey with our professional route calculator.

Distance: 680 nm; nautical miles
Under Sail: 5.7 days; at 5 knots
Under Power: 2.8 days; at 10 knots
Best Time: December-April; 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: 680 nautical miles

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This map shows the direct sea route from Jamaica Montego Bay to Havana. 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 81% longer than the 375 nm direct line, its heading turning from north-northwest to south. It is an international crossing between two countries.

Sea distance: 680 nm (1259.3 km)
Direct line: 374.8 nm81% longer
Great-circle bearing: 319° (northwest)
Sea area: Caribbean Sea
Geographic extent: 4.7° × 7.5°
Crossing: Cross-border · Same region
From: Jamaica Montego Bay (Jamaica) 18.4762, -77.8939
To: Havana (Cuba) 23.1136, -82.3666
Route basis: Sea-lane route

Passage timeEstimated passage time by cruising speed
Cruising speed	Duration
5 kn	5.7 days
8 kn	3.5 days
10 kn	2.8 days
12 kn	2.4 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 Jamaica Montego Bay to Havana Route

A long open-water international sea route between Montego Bay and Havana, this passage serving a major port and an island destination in the Caribbean region demands attention to short tropical squalls and afternoon thunderstorms.

The corridor within the same maritime region joins Montego Bay, Jamaica to Havana, Cuba.

Navigation Tips

•Plan this long open-water international leg in the Caribbean region with attention to short tropical squalls and afternoon thunderstorms.
•Provisioning for this long open-water passage in Caribbean should account for regional supply networks.
•Allow time for entry formalities on this international leg within the same maritime region.
•Adapt safety equipment to Caribbean conditions for this long open-water crossing.
•For a international crossing within the same maritime region, ensure clearance papers and visas are in order before departure.