Kobe to Nagasaki Sea Distance Calculator

Calculate the exact nautical distance from Kobe, Japan to Nagasaki, Japan. Plan your maritime journey with our professional route calculator.

Distance
437 nm
nautical miles
Under Sail
3.6 days
at 5 knots
Under Power
44 hours
at 10 knots
Best Time
Varies by area
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: 437 nautical miles
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This map shows the direct sea route from Kobe to Nagasaki. 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 50% longer than the 292 nm direct line, its heading turning from south-southeast to northwest. It spans two maritime regions.

Sea distance
437 nm (809.4 km)
Direct line
292.1 nm50% longer
Great-circle bearing
248° (west-southwest)
Geographic extent
2.2° × 6.0°
Crossing
Domestic · Cross-region
From
Kobe (Japan) 34.6901, 135.1955
To
Nagasaki (Japan) 32.7167, 129.8500
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn3.6 days
8 kn2.3 days
10 kn44 hours
12 kn36 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 Kobe to Nagasaki Route

A medium ocean within one country sea route between Kobe and Nagasaki, this passage between two major harbours in the Pacific region demands attention to eastern Pacific hurricane activity May through October in tropical latitudes.

The corridor crossing between different maritime regions joins Kobe, Japan to Nagasaki, Japan.

Navigation Tips

  • •Plan this medium ocean within one country leg in the Pacific region with attention to eastern Pacific hurricane activity May through October in tropical latitudes.
  • •Provisioning for this medium ocean passage in Pacific should account for regional supply networks.
  • •Allow time for entry formalities on this within one country leg crossing between different maritime regions.
  • •Adapt safety equipment to Pacific conditions for this medium ocean crossing.
  • •For a within one country crossing crossing between different maritime regions, ensure clearance papers and visas are in order before departure.

Frequently Asked Questions

How far is it from Kobe to Nagasaki by sea?

This is a medium ocean sea passage of about 437 nautical miles between Kobe and Nagasaki in Pacific.

How long does it take to sail from Kobe to Nagasaki?

Average voyage time on this medium ocean crossing between different maritime regions leg of 437 nautical miles is 1.8 days – 3.6 days.

What's the best time to sail from Kobe to Nagasaki?

Conditions on this route vary by area and season, so there is no single best time that applies along its whole length. Always check current weather forecasts and sea conditions 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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