Yokohama to Mikawa Sea Distance Calculator

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

Distance
218.4 nm
nautical miles
Under Sail
44 hours
at 5 knots
Under Power
22 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: 218.4 nautical miles
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This map shows the direct sea route from Yokohama to Mikawa. 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 78% longer than the 123 nm direct line, holding a steady south-southeast course. It spans two maritime regions.

Sea distance
218.4 nm (404.5 km)
Direct line
122.9 nm78% longer
Great-circle bearing
250° (west-southwest)
Geographic extent
1.0° × 2.9°
Crossing
Domestic · Cross-region
From
Yokohama (Japan) 35.4437, 139.6380
To
Mikawa (Japan) 34.7167, 137.3000
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn44 hours
8 kn27 hours
10 kn22 hours
12 kn18 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 Mikawa Route

Linking Yokohama and Mikawa, this multi-day coastal within one country crossing between two major harbours sits in the Pacific region — a passage shaped by long ocean swells and squall lines depending on latitude.

The lane links Yokohama (Japan) and Mikawa (Japan), crossing between different maritime regions.

Navigation Tips

  • •A multi-day coastal within one country passage in the Pacific region typically requires planning for long ocean swells and squall lines depending on latitude.
  • •A multi-day coastal leg in Pacific benefits from waypoint planning and verified fuel availability.
  • •Confirm operating hours and clearance procedures for this within one country crossing crossing between different maritime regions, since rules vary by port.
  • •Verify that emergency equipment matches the demands of a multi-day coastal leg in Pacific.
  • •Documentation requirements differ for within one country passages crossing between different maritime regions; verify cruising permits in advance.

Frequently Asked Questions

How far is it from Yokohama to Mikawa by sea?

Approximately 218.4 nautical miles separate Yokohama and Mikawa by sea, making this a multi-day coastal leg in Pacific.

How long does it take to sail from Yokohama to Mikawa?

Expect about 22 hours – 44 hours for a multi-day coastal run of 218.4 nautical miles crossing between different maritime regions.

What's the best time to sail from Yokohama to Mikawa?

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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