Dreaming of a snake chasing you can symbolize various things, often related to fear, transformation, or hidden threats. The fact that the snake was haunting you for such a long distance could indicate that there is a persistent issue or anxiety in your waking life that you may be trying to avoid or escape.

Snakes are often associated with transformation or change, so this dream could also suggest that you are undergoing or resisting some form of personal change. Consider what is currently happening in your life that might relate to feelings of fear or anxiety.

Reflecting on the following questions may help you gain further insight:

1. What emotions did you feel during the chase?
2. Is there a situation or person in your life that feels threatening or overwhelming?
3. Are you facing a change that you find difficult to accept?

Understanding the context of your life can help you interpret this dream more personally. If the dream continues to bother you, it may be beneficial to confront the underlying issues in your waking life.