Can Mileage Distance Field be Made "Read Only"

Summary: Cst would like Mileage distance field to be populated by Maps - can the field be made "read only"

Content (required): If field is "read only" the distance would be populated once Maps determined point-to-point mileage and User would not be able to update

Version (include the version you are using, if applicable): 11.13.21.10.0

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