Kobe to Onomichi Itozaki Sea Distance Calculator

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

Distance
150.4 nm
nautical miles
Under Sail
30 hours
at 5 knots
Under Power
15 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: 150.4 nautical miles
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This map shows the direct sea route from Kobe to Onomichi Itozaki. 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 47% longer than the 102 nm direct line, its heading turning from south-southeast to northeast. It spans two maritime regions.

Sea distance
150.4 nm (278.5 km)
Direct line
102 nm47% longer
Great-circle bearing
260° (west)
Geographic extent
0.6° × 2.3°
Crossing
Domestic · Cross-region
From
Kobe (Japan) 34.6901, 135.1955
To
Onomichi Itozaki (Japan) 34.3833, 133.1667
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn30 hours
8 kn19 hours
10 kn15 hours
12 kn13 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 Onomichi Itozaki Route

A medium-length coastal within one country sea route between Kobe and Onomichi-Itozaki, 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 Onomichi-Itozaki, Japan.

Navigation Tips

  • •Plan this medium-length coastal 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-length coastal 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-length coastal 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 Onomichi Itozaki by sea?

This is a medium-length coastal sea passage of about 150.4 nautical miles between Kobe and Onomichi Itozaki in Pacific.

How long does it take to sail from Kobe to Onomichi Itozaki?

Average voyage time on this medium-length coastal crossing between different maritime regions leg of 150.4 nautical miles is 15 hours – 30 hours.

What's the best time to sail from Kobe to Onomichi Itozaki?

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.

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