Marine OS

Sea distances

Sea distance from Felixstowe to Durban

The sea route from Felixstowe (United Kingdom) to Durban (South Africa) is about 6,979 nautical miles, which is 12,925 km or 8,031 statute miles. The route transits Strait of Dover. That is about 35% longer than the direct great-circle line, because the practical route follows coastlines and shipping lanes.

6,979
nautical miles
12,925
kilometers
29d 2h
at 10 knots

Voyage time by boat speed

Time underway is distance divided by speed. These are continuous-passage figures with no stops or weather margin.

Boat and speedTime underway
Sailboat, conservative (5 kn)58d 4h
Sailboat, average (6 kn)48d 11h
Displacement trawler (8 kn)36d 8h
Fast trawler (10 kn)29d 2h
Planing motor yacht (15 kn)19d 9h
Fast motor yacht (20 kn)14d 13h

Planning estimate, not navigation

This distance is computed over the open Eurostat shipping-lane network. It is a realistic passage length for planning, but your sailed distance will differ with weather routing, currents, draft, and the exact berths you leave from and arrive at. Always verify against official charts.

Building with these numbers? The sea route & distance API returns this figure, voyage time, and route geometry for any port pair in one GET request.

Plan this passage properly

Open Felixstowe to Durban in the Marine OS route planner: it suggests the sea route, then you drag waypoints, set your speed and fuel burn, and check weather and tides along the way.

Open this route in the planner

Frequently asked questions

How far is Durban from Felixstowe by sea?

About 6,979 nautical miles (12,925 km / 8,031 statute miles) along the practical sea route, which transits Strait of Dover. The straight-line distance is shorter, but boats follow coastlines, channels, and traffic lanes.

How long does it take to sail from Felixstowe to Durban?

At a typical sailing average of 6 knots it is about 48d 11h underway. A 10-knot trawler needs about 29d 2h, and a 20-knot motor yacht about 14d 13h. Add margin for weather, currents, and stops.

How is this distance calculated?

It is computed over the open Eurostat global shipping-lane network, the same kind of network freight routing tools use. It is a realistic planning estimate, not a navigation product: your sailed distance will vary with weather routing, draft, and the exact harbors you use.