Chester to Philadelphia Sea Distance Calculator

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

Distance
≈ 11.6 nm
nautical miles
Under Sail
2 hours
at 5 knots
Under Power
1 hour
at 10 knots
Best Time
Varies by area
Typical Sailing Season

Distance is a direct-line estimate (≈) and may differ from a navigable sea route. Sailing times are estimates at fixed cruising speeds and vary with vessel, weather, and currents.

Interactive Route Map

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Distance: 11.6 nautical miles
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This map shows the direct sea route from Chester to Philadelphia. The actual sailing path may vary based on weather conditions and navigation requirements.

Passage details

This is an open-water crossing: holding a steady east-northeast course.

Sea distance
≈ 11.6 nm (21.6 km)
Direct line
11.6 nm
Great-circle bearing
59° (east-northeast)
Geographic extent
0.1° × 0.2°
Crossing
Domestic · Same region
From
Chester (United States) 39.8500, -75.3500
To
Philadelphia (United States) 39.9500, -75.1333
Route basis
Direct-line estimate
Passage timeEstimated passage time by cruising speed
Cruising speedDuration
5 kn2 hours
8 kn1 hour
10 kn1 hour
12 kn1 hour

Distance is a direct-line (great-circle) estimate; passage times are computed at fixed cruising speeds.

Read the methodology — How we calculate sea distances

Last reviewed 2026-06-17

About Chester to Philadelphia Route

Linking Chester and Philadelphia, this brief day-sail within one country crossing between two major harbours sits in the North America region — a passage shaped by tropical storm and hurricane activity from roughly June through November in the affected coastal waters.

The lane links Chester (United States) and Philadelphia (United States), between neighbouring ports of the same region.

Navigation Tips

  • •A brief day-sail within one country passage in the North America region typically requires planning for tropical storm and hurricane activity from roughly June through November in the affected coastal waters.
  • •A brief day-sail leg in North America benefits from waypoint planning and verified fuel availability.
  • •Confirm operating hours and clearance procedures for this within one country crossing between neighbouring ports of the same region, since rules vary by port.
  • •Verify that emergency equipment matches the demands of a brief day-sail leg in North America.
  • •Documentation requirements differ for within one country passages between neighbouring ports of the same region; verify cruising permits in advance.

Frequently Asked Questions

How far is it from Chester to Philadelphia by sea?

Approximately 11.6 nautical miles separate Chester and Philadelphia by sea, making this a brief day-sail leg in North America.

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

Expect about 1 hour – 2 hours for a brief day-sail run of 11.6 nautical miles between neighbouring ports of the same region.

What's the best time to sail from Chester 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

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