Buffalo to Philadelphia Sea Distance Calculator

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

Distance
2013.6 nm
nautical miles
Under Sail
16.8 days
at 5 knots
Under Power
8.4 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

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Distance: 2013.6 nautical miles
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This map shows the direct sea route from Buffalo to Philadelphia. 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 725% longer than the 244 nm direct line, its heading turning from south-southwest to northeast.

Sea distance
2013.6 nm (3729.2 km)
Direct line
243.9 nm725% longer
Great-circle bearing
135° (southeast)
Geographic extent
10.7° × 19.8°
Crossing
Domestic · Same region
From
Buffalo (United States) 42.8833, -78.8833
To
Philadelphia (United States) 39.9500, -75.1333
Route basis
Sea-lane route
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn16.8 days
8 kn10.5 days
10 kn8.4 days
12 kn7 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 Buffalo to Philadelphia Route

A long open-water within one country sea route between Buffalo and Philadelphia, this passage between two major harbours in the North America region demands attention to frontal systems and rapid pressure changes in the colder months, varying by coast.

The corridor between neighbouring ports of the same region joins Buffalo, United States to Philadelphia, United States.

Navigation Tips

  • •Plan this long open-water within one country leg in the North America region with attention to frontal systems and rapid pressure changes in the colder months, varying by coast.
  • •Provisioning for this long open-water passage in North America should account for regional supply networks.
  • •Allow time for entry formalities on this within one country leg between neighbouring ports of the same region.
  • •Adapt safety equipment to North America conditions for this long open-water crossing.
  • •For a within one country crossing between neighbouring ports of the same region, ensure clearance papers and visas are in order before departure.

Suggested Stops

On a long 2013.6 nm passage from Buffalo to Philadelphia, these ports make convenient places to break the journey, refuel, and rest.

  1. Montreal (Canada) · ≈318.6 nm in — View port details
  2. Louisbourg (Canada) · ≈1106.8 nm in — View port details
  3. Lockeport Harbor (Canada) · ≈1373.4 nm in — View port details

Frequently Asked Questions

How far is it from Buffalo to Philadelphia by sea?

This is a long open-water sea passage of about 2013.6 nautical miles between Buffalo and Philadelphia in North America.

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

Average voyage time on this long open-water between neighbouring ports of the same region leg of 2013.6 nautical miles is 8.4 days – 16.8 days.

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

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

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