Far away in a dream signifies or represents being emotionally distant, the person appears to be unreachable. A person can feel emotionally distant from their loved ones because of their busy lives. Emotionally distant people are not able to connect with family, friends, colleagues and so on.
It could be that your subconscious mind is trying to tell you that you need to find a way to become closer with them in your waking life. The dreams can also signify a feeling of lack in your life and that you are living too far from what fulfills you.
Also, being far in a dream signifies unfulfilled desires and unattainable goals, as well as the inability to make something happen. The cause of this dream could be due to one’s dissatisfaction with their current status and negative feelings about the future.