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Port-to-port sea distance

Houston to Singapore distance

The sea distance from Houston (United States) to Singapore (Singapore) is about 11,762 nautical miles (21,784 km), via the Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait. At 12 knots that is about 40 days 20 hours at sea.

Distance

11,762 nm

21,784 km

Sea days @ 12 kn

40.8

40 days 20 hours

ECA miles

3,911 nm

33% of the route

Canals & straits

4

Strait of Gibraltar · Suez Canal · Bab-el-Mandeb · Malacca Strait

Sea days by speed

SpeedOne wayRound voyage
10 knots49.0 days98.0 days
11 knots44.6 days89.1 days
12 knots40.8 days81.7 days
13 knots37.7 days75.4 days
14 knots35.0 days70.0 days
15 knots32.7 days65.3 days

Steaming time only, with no allowance for weather, canal waiting or port time. The round voyage assumes the ship ballasts back on the same route.

Routes compared

Shortest route

11,762 nm

40.8 days at 12 kn · Strait of Gibraltar · Suez Canal · Bab-el-Mandeb · Malacca Strait · 3,911 nm in ECA

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Via the Cape of Good Hope (avoiding Suez and the Red Sea)

12,161 nm+399 nm

42.2 days at 12 kn · Panama Canal · Malacca Strait · 491 nm in ECA

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Avoiding the Malacca Strait (via Sunda or Lombok)

12,161 nm+399 nm

42.2 days at 12 kn · Panama Canal · Malacca Strait · 491 nm in ECA

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Via the Cape (avoiding both Suez and Panama)

13,143 nm+1,381 nm

45.6 days at 12 kn · Sunda Strait · Malacca Strait · 1,068 nm in ECA

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  • A fully laden VLCC is deeper than the Suez Canal's 20.1 m draft limit, so it either goes round the Cape of Good Hope or discharges part of its cargo into the SUMED pipeline first. For a laden VLCC the Cape routing of 12,161 nm is the one to use.
  • Since early 2024 many owners have kept their ships out of the Red Sea. Routing via the Cape of Good Hope adds 399 nm (about 1.4 days at 12 knots).
  • Very deep-draft ships sometimes avoid the Malacca and Singapore straits and go through the Lombok or Sunda strait instead, which adds 399 nm (about 1.4 days at 12 knots).

Voyage estimates by ship size

About this trade

US Gulf crude exports. US shale crude out of Corpus Christi, Houston and the LOOP to Europe and Asia, often reverse-lightered onto VLCCs offshore.

Typical ship sizes
VLCC, Suezmax, Aframax
Related benchmark routes
TD22 (USG–China VLCC), TD25 (USG–UKC Aframax)

Questions

How far is Houston from Singapore by sea?

The sea distance from Houston to Singapore is about 11,762 nautical miles (21,784 km), via the Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait.

How long does a tanker take to sail from Houston to Singapore?

About 40 days 20 hours at 12 knots, or 35.0 days at 14 knots. That is steaming time only; add time for port calls, canal transits and weather.

Which canals and straits does the Houston–Singapore route pass?

The shortest route passes the Strait of Gibraltar, Suez Canal, Bab-el-Mandeb and Malacca Strait. Alternative routings are listed above for ships that cannot or will not use them.

How much of the voyage is inside an Emission Control Area?

About 3,911 nm, or 33% of the voyage, is inside an ECA, where ships must burn 0.10% sulphur fuel or use a scrubber.

Terms on this page

Distances are calculated by Vessbook on a modelled global shipping-lane network for a tanker at 12 m draft, from berth area to berth area.

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