The song "Miles in Memories" by Ernest Tubb is about cherishing the memories and experiences that come with a life full of travel and adventure. The narrator reflects on the many miles they have traveled and the memories that have been created along the way. They express no desire to undo or forget these miles because they have shaped who they are. The lyrics suggest that some of these miles may have been difficult or challenging, but they also hold untold stories that have contributed to the narrator's life. The memories created through their travels have become a source of comfort and solace whenever they feel down or blue. The narrator acknowledges that the physical toll of all those miles might be visible on them, but they are proud of the journey they have taken. They have a "book of memories" filled with different faces and places that have left a lasting impact on their life. They value each page and would never want to erase or forget any of their experiences. Overall, the song celebrates the richness and depth that comes with a life lived fully. It suggests that memories and experiences are the true treasures and that retraveling those miles within one's mind can bring joy and comfort whenever needed.