As we have noted, the price of gas varies from state to state due to distribution costs, local taxes and other factors. But now every state has crossed the $4/gal. threshold. According to GasBuddy.com, the national average is $4.55/gal, up 53% since the war in Iran started.

Here is a heat map from GasBuddy.com showing prices around the country:

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As you can see, It is cheapest in the South, where most of the oil is drilled and refined and where taxes are low. It is most expensive in the interior West and especially the far West, but also in parts of the Upper Midwest and Northeast.