Welcome to the Community space, @kscottbruce.
Currently, creating a rule for repetitive trips in QuickBooks Online isn't available. I'll take note of your suggestion as it helps our engineers determine what features to be added in QBO future enhancements.
While we don't have a timeline for when this will be available, I suggest checking back to our websites for any enhancements and announcements through these links:
In case you want to categorize your mileage after you reach your destination, here's how:
For more details, just click this article: Automatically track mileage in QuickBooks Online.
You can check out these articles in case, you'll need to track multiple vehicles and how to fix issues in the app:
If you have any follow-ups or other concerns, please leave a comment below. I'm here to help. Have a great day.