Tokyo to Wakayama Shimotsu Ko Sea Distance Calculator

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

Distance
376.6 nm
nautical miles
Under Sail
3.1 days
at 5 knots
Under Power
38 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

Loading map...

Distance: 376.6 nautical miles
🧮 Open Interactive Calculator

This map shows the direct sea route from Tokyo to Wakayama Shimotsu 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 57% longer than the 239 nm direct line, its heading turning from southeast to south. It spans two maritime regions.

Sea distance
376.6 nm (697.4 km)
Direct line
239.3 nm57% longer
Great-circle bearing
250° (west-southwest)
Geographic extent
2.3° × 5.0°
Crossing
Domestic · Cross-region
From
Tokyo (Japan) 35.6762, 139.6503
To
Wakayama Shimotsu Ko (Japan) 34.2000, 135.1333
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn3.1 days
8 kn47 hours
10 kn38 hours
12 kn31 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 Tokyo to Wakayama Shimotsu Ko Route

Linking Tokyo and Wakayama-Shimotsu Ko, this multi-day coastal domestic crossing connecting two major commercial ports sits in the Pacific region — a passage shaped by long ocean swells and squall lines depending on latitude.

The lane links Tokyo (Japan) and Wakayama-Shimotsu Ko (Japan), spanning two distinct maritime regions.

Navigation Tips

  • •A multi-day coastal domestic 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 domestic crossing spanning two distinct 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 domestic passages spanning two distinct maritime regions; verify cruising permits in advance.

Frequently Asked Questions

How far is it from Tokyo to Wakayama Shimotsu Ko by sea?

Approximately 376.6 nautical miles separate Tokyo and Wakayama Shimotsu Ko by sea, making this a multi-day coastal leg in Pacific.

How long does it take to sail from Tokyo to Wakayama Shimotsu Ko?

Expect about 1.6 days – 3.1 days for a multi-day coastal run of 376.6 nautical miles spanning two distinct maritime regions.

What's the best time to sail from Tokyo to Wakayama Shimotsu 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.

Plan another route with our Sea Distance CalculatorNavigation Guide