Kobe to Osaka Sea Distance Calculator

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

Distance
≈ 15.1 nm
nautical miles
Under Sail
3 hours
at 5 knots
Under Power
2 hours
at 10 knots
Best Time
Varies by area
Typical Sailing Season

Distance is a direct-line estimate (≈) and may differ from a navigable sea route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 15.1 nautical miles
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This map shows the direct sea route from Kobe to Osaka. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a coastal passage: holding a steady east course.

Sea distance
≈ 15.1 nm (28.1 km)
Direct line
15.1 nm
Great-circle bearing
89° (east)
Sea area
Pacific Ocean
Geographic extent
0.0° × 0.3°
Crossing
Domestic · Same region
From
Kobe (Japan) 34.6901, 135.1955
To
Osaka (Japan) 34.6937, 135.5023
Route basis
Direct-line estimate
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn3 hours
8 kn2 hours
10 kn2 hours
12 kn1 hour

Distance is a direct-line (great-circle) estimate; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Kobe to Osaka Route

A inshore domestic sea route between Kobe and Osaka, this passage connecting two major commercial ports in the Pacific region demands attention to eastern Pacific hurricane activity May through October in tropical latitudes.

The corridor within the same maritime region joins Kobe, Japan to Osaka, Japan.

Navigation Tips

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

Frequently Asked Questions

How far is it from Kobe to Osaka by sea?

This is a inshore sea passage of about 15.1 nautical miles between Kobe and Osaka in Pacific.

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

Average voyage time on this inshore within the same maritime region leg of 15.1 nautical miles is 2 hours – 3 hours.

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

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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