Why Are Oil Importers Turning to Longer Trade Routes?

The Iran conflict and disruption to the Strait of Hormuz are forcing major oil importing countries to rethink how they source crude.

The Iran conflict and disruption to the Strait of Hormuz are forcing major oil importing countries to rethink how they source crude. Countries that once relied heavily on nearby Middle Eastern suppliers are increasingly turning to producers in the Americas and Africa, accepting longer voyages and higher shipping costs in exchange for greater energy security.

Japan Diversifies Its Oil Supplies

Japan is among the clearest examples of this shift. Before the conflict, more than 90% of its crude came from the Middle East, benefiting from short and relatively inexpensive shipping routes.

Since Gulf exports were disrupted, Japanese imports from the United States have surged. Between March and June, Japan imported more than 4.5 million metric tons of US crude, compared with less than 1 million tons during the same period in 2025.

The alternative comes with a cost. US crude takes roughly nine days longer to reach Japan, increasing freight expenses and requiring refiners to adjust their delivery schedules.

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Asia Looks Beyond the Middle East

Japan is not alone. South Korea and India are also increasing purchases from suppliers in the Americas and Africa as Middle Eastern shipments decline.

China, the world’s largest crude importer, has relied heavily on strategic reserves to cushion the impact of the conflict. As those reserves are drawn down, Chinese buyers could return to international markets and intensify competition for crude from alternative producers.

The Americas Emerge as Major Suppliers

The disruption has created a major opportunity for oil exporters outside the Middle East.

US crude exports reached a record 61.6 million metric tons in the second quarter of 2026, up 43% from a year earlier. Brazil, Argentina and Guyana have also recorded strong export growth.

Brazilian shipments to India, for example, were three times higher in the first half of 2026 than during the same period in 2025.

Longer Routes, Higher Costs

The new trade patterns are considerably less efficient.

A tanker travelling from major Gulf terminals to India’s western coast can take only three to five days. A shipment from Brazil to the same destination can take around 25 days.

Longer journeys mean higher tanker demand, greater freight costs and more complicated logistics. Yet importers are increasingly willing to absorb those costs because dependence on a single vulnerable supply corridor carries its own risks.

Avoiding Strategic Chokepoints

The shift is also about reducing exposure to vulnerable maritime routes.

The Strait of Hormuz remains a major risk, while geopolitical tensions have reduced traffic through the Suez Canal. Drought has also constrained the Panama Canal.

As a result, importers are increasingly valuing suppliers whose shipping routes can bypass these chokepoints.

A New Global Energy Map

The emerging pattern is creating a more geographically dispersed oil market.

Middle Eastern producers will remain crucial because of their enormous reserves, low production costs and established infrastructure. But Asian buyers are unlikely to forget the disruption caused by the Hormuz crisis.

Regular purchases from new suppliers can therefore become a form of insurance, even after Gulf exports recover.

Analysis

The most important change is that energy security is beginning to outweigh pure economic efficiency.

For decades, Asian refiners benefited from buying Middle Eastern crude because geography made it cheaper and faster. The Iran conflict has exposed the vulnerability of that model. A short shipping route is of limited value if a single geopolitical crisis can disrupt it.

The result could be a lasting diversification of global oil trade. Importers are unlikely to completely abandon Middle Eastern crude, but they may maintain larger relationships with US, Latin American and African suppliers to create alternative sources of supply.

This means the cost of energy security will increasingly be reflected in the global oil market. Longer voyages, higher freight rates and more complex supply chains may become the price importers are willing to pay for resilience.

The broader shift is therefore from an oil market designed primarily around efficiency to one increasingly designed around redundancy and geopolitical risk.

With information from Reuters.

Sana Khan
Sana Khan
Sana Khan is the News Editor at Modern Diplomacy. She is a political analyst and researcher focusing on global security, foreign policy, and power politics, driven by a passion for evidence-based analysis. Her work explores how strategic and technological shifts shape the international order.