New Orleans to Mobile Sea Distance Calculator

Calculate the exact nautical distance from New Orleans, United States to Mobile, United States. Plan your maritime journey with our professional route calculator.

Distance
170.5 nm
nautical miles
Under Sail
34 hours
at 5 knots
Under Power
17 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: 170.5 nautical miles
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This map shows the direct sea route from New Orleans to Mobile. 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 54% longer than the 110 nm direct line, its heading turning from east-northeast to west. It spans two maritime regions.

Sea distance
170.5 nm (315.8 km)
Direct line
110.4 nm54% longer
Great-circle bearing
66° (east-northeast)
Geographic extent
1.3° × 2.1°
Crossing
Cross-border · Cross-region
From
New Orleans (United States) 29.9511, -90.0715
To
Mobile (United States) 30.6833, -88.1167
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn34 hours
8 kn21 hours
10 kn17 hours
12 kn14 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 New Orleans to Mobile Route

The maritime route from New Orleans to Mobile is a day-passage cross-border passage between two major harbours in the North America region. Mariners on this leg typically prepare for seasonal storm systems that vary by coast — check the forecast for your route and season.

This route runs crossing between different maritime regions, connecting New Orleans in United States with Mobile in United States.

Navigation Tips

  • •On this day-passage cross-border crossing in the North America region, prepare for seasonal storm systems that vary by coast — check the forecast for your route and season, particularly in peak season.
  • •For a day-passage route, plan fuel and provisioning around the North America region — calculate consumption with our tool.
  • •Verify port-entry requirements at both ends of this cross-border route crossing between different maritime regions before you depart.
  • •Check safety gear suited to North America conditions before a day-passage passage — life rafts, EPIRB, and current charts.
  • •Carry passports, vessel documents, and crew lists matched to this cross-border route crossing between different maritime regions.

Frequently Asked Questions

How far is it from New Orleans to Mobile by sea?

The sea distance from New Orleans to Mobile is approximately 170.5 nautical miles — a day-passage passage in North America.

How long does it take to sail from New Orleans to Mobile?

A day-passage crossing between different maritime regions crossing of 170.5 nautical miles typically takes 17 hours – 34 hours, depending on vessel and weather.

What's the best time to sail from New Orleans to Mobile?

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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