Baltimore to Buffalo Sea Distance Calculator

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

Distance
2176.9 nm
nautical miles
Under Sail
18.1 days
at 5 knots
Under Power
9.1 days
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: 2176.9 nautical miles
🧮 Open Interactive Calculator

This map shows the direct sea route from Baltimore to Buffalo. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is a markedly indirect long-haul passage: the navigable route runs 811% longer than the 239 nm direct line, its heading turning from southeast to north-northeast.

Sea distance
2176.9 nm (4031.7 km)
Direct line
238.9 nm811% longer
Great-circle bearing
335° (north-northwest)
Geographic extent
12.7° × 19.8°
Crossing
Cross-border · Same region
From
Baltimore (United States) 39.2904, -76.6122
To
Buffalo (United States) 42.8833, -78.8833
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn18.1 days
8 kn11.3 days
10 kn9.1 days
12 kn7.6 days

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 Baltimore to Buffalo Route

The maritime route from Baltimore to Buffalo is a long-haul ocean international passage connecting two major commercial ports 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 within the same maritime region, connecting Baltimore in United States with Buffalo in United States.

Navigation Tips

  • •On this long-haul ocean international 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 long-haul ocean route, plan fuel and provisioning around the North America region — calculate consumption with our tool.
  • •Verify port-entry requirements at both ends of this international route within the same maritime region before you depart.
  • •Check safety gear suited to North America conditions before a long-haul ocean passage — life rafts, EPIRB, and current charts.
  • •Carry passports, vessel documents, and crew lists matched to this international route within the same maritime region.

Suggested Stops

On a long 2176.9 nm passage from Baltimore to Buffalo, these ports make convenient places to break the journey, refuel, and rest.

  1. Lockeport Harbor (Canada) · ≈803.5 nm in — View port details
  2. Louisbourg (Canada) · ≈1070.1 nm in — View port details
  3. Montreal (Canada) · ≈1858.3 nm in — View port details

Frequently Asked Questions

How far is it from Baltimore to Buffalo by sea?

The sea distance from Baltimore to Buffalo is approximately 2176.9 nautical miles — a long-haul ocean passage in North America.

How long does it take to sail from Baltimore to Buffalo?

A long-haul ocean within the same maritime region crossing of 2176.9 nautical miles typically takes 9.1 days – 18.1 days, depending on vessel and weather.

What's the best time to sail from Baltimore to Buffalo?

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