Final answer:
The metaphor suggests that Regina feels close to her grandmother despite the distance.
Step-by-step explanation:
The metaphor in this excerpt from the passage suggests that Regina feels close to her grandmother despite the miles between them. The metaphor compares the feeling of closeness to the physical sensation of a cool wind blowing across the oval. This not only creates a vivid image in the reader's mind, but also emphasizes the emotional connection between Regina and her grandmother.