Singapore to Charleston shipping route.

Ships leaving Singapore for Charleston head north and cover a sea distance of 10,628 nautical miles (19,683 km), via Suez Canal. The straight line between the ports is 16,212 km; coastlines and shipping lanes add the rest. On the way the vessel passes Suez Canal, Bab-el-Mandeb, Strait of Malacca and Strait of Gibraltar, so canal transit fees and waiting time at the canal are part of every voyage.

Shipping time depends on speed. At 14 knots, a common container ship service speed, the passage takes 31.6 days at sea. Slow steaming at 12 knots stretches it to 36.9 days, while 18 knots brings it down to 24.6. Container transit time on a liner service is longer than the steaming time: ships call at other ports on the rotation, and cargo may transship at a hub. Add terminal time at Singapore and Charleston to plan the full ocean transit time.

The shortest route goes through the Red Sea. Since attacks on shipping began there in late 2023, many carriers send ships via Panama Canal instead. That route is 12,277 nautical miles, 1,649 more, and adds about 4.9 days at 14 knots. Longer voyages burn more fuel and tie up more ships, which is why freight rates on Red Sea lanes jumped when the diversions started.

2,441 nm of the route, 23% of it, lies inside North American ECA and Mediterranean Sea ECA. In an emission control area ships must burn fuel with no more than 0.1% sulphur or clean the exhaust with scrubbers. That fuel costs more, and carriers add it to the ocean freight bill as a low sulphur or ECA surcharge.

Container freight rates on Singapore to Charleston move with fuel prices, ship capacity and the season. Compare several carriers before booking: the cheapest sailing is often the slowest one. At Charleston (USCHS) carriers give about 4 free days before demurrage and detention charges start, so plan the truck or rail pickup before the box lands.

Of the 64 port to port routes from Singapore in this directory, Charleston is the 59th shortest. Closer destinations include Montreal (10,279 nm), New York (10,184 nm) and Buenos Aires (9,264 nm).