Need to load known mileage between 2 locations when Oracle Maps is returning inaccurate information?

Summary:

We must have accurate distances to calculate expense mileage reimbursements.

Oracle maps routes through private locked gates, or over bodies of water, we need to provide actual miles driven, not as the crow flies.

Content (please ensure you mask any confidential information):

This is a Union requirement and has been filed as a grievance so we must address it.

Version (include the version you are using, if applicable):

26A

Code Snippet (add any code snippets that support your topic, if applicable):