Persian Gulf oil goes east to Japan, China, & SE Asia. We don't get or use much of their production.
We get most of ours from Canada, domestically, Mexico, & Venezuela. Maybe Nigeria, too, IIRC.
If we were to stop food shipments to the ME oil producers, there would be an initial shock to them. Eventually, though, we would end up selling it to someone who sold it to the ME. A marginally higher cost to the end-user. World markets & all that.
One thing, though:
It has been said that the ME oil-producers must sell oil, as they can not eat their oil. Well, we can eat our grain. And kick our farmers in the Jimmy, again.