Yokohama to Nagoya Ko Sea Distance Calculator

Calculate the exact nautical distance from Yokohama, Japan to Nagoya Ko, Japan. Plan your maritime journey with our professional route calculator.

Distance
225.3 nm
nautical miles
Under Sail
45 hours
at 5 knots
Under Power
23 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: 225.3 nautical miles
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This map shows the direct sea route from Yokohama to Nagoya Ko. 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 64% longer than the 138 nm direct line, its heading turning from south-southeast to northeast. It spans two maritime regions.

Sea distance
225.3 nm (417.3 km)
Direct line
137.7 nm64% longer
Great-circle bearing
261° (west)
Geographic extent
1.0° × 3.1°
Crossing
Domestic · Cross-region
From
Yokohama (Japan) 35.4437, 139.6380
To
Nagoya Ko (Japan) 35.0667, 136.8667
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn45 hours
8 kn28 hours
10 kn23 hours
12 kn19 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 Yokohama to Nagoya Ko Route

The maritime route from Yokohama to Nagoya Ko is a overnight offshore within one country passage between two major harbours in the Pacific region. Mariners on this leg typically prepare for the western Pacific typhoon season July through October.

This route runs crossing between different maritime regions, connecting Yokohama in Japan with Nagoya Ko in Japan.

Navigation Tips

  • •On this overnight offshore within one country crossing in the Pacific region, prepare for the western Pacific typhoon season July through October, particularly in peak season.
  • •For a overnight offshore route, plan fuel and provisioning around the Pacific region — calculate consumption with our tool.
  • •Verify port-entry requirements at both ends of this within one country route crossing between different maritime regions before you depart.
  • •Check safety gear suited to Pacific conditions before a overnight offshore passage — life rafts, EPIRB, and current charts.
  • •Carry passports, vessel documents, and crew lists matched to this within one country route crossing between different maritime regions.

Frequently Asked Questions

How far is it from Yokohama to Nagoya Ko by sea?

The sea distance from Yokohama to Nagoya Ko is approximately 225.3 nautical miles — a overnight offshore passage in Pacific.

How long does it take to sail from Yokohama to Nagoya Ko?

A overnight offshore crossing between different maritime regions crossing of 225.3 nautical miles typically takes 23 hours – 45 hours, depending on vessel and weather.

What's the best time to sail from Yokohama to Nagoya Ko?

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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