The new routes will take longer, and some shipping companies are adding a surcharge to compensate for the additional risk, as well as the extra fuel and labor.
Around 20% of the world's oil passes through the Strait of Hormuz, off the coast of Iran. Oil prices are higher today because of how a potential U.S. intervention could limit oil supply.
Despite fears about how oil shipments could be affected if Iran targets tanker traffic moving through the Strait of Hormuz, global supply remains strong.