Distance interaction

Hi i am trying to figure out how i can setup ranging in my project so you can click on object then fire arrows at it from 15 distance, but not working and only lets me fire arrows when im directly in front of object how can i fix this??

                 if (Input.GetKeyDown(KeyCode.Mouse0))
                 {
                     //pMove.isEnabled = false;
                     dmgSplat.transform.position = new Vector3(AIController.transform.position.x, 12.2f, AIController.transform.position.z);
                     //dmgSplat.transform.LookAt(Camera.main.transform);
                     //dmgSplat.transform.Rotate(Vector3.up - new Vector3(0, 180, 0));
 
                     dmgtxt.text = "" + damage;
                     StartCoroutine(playerHit());
                     if (slot.slot.item.category.name == "Bow")
                     {
                         dist = Vector3.Distance(PlayerManager.instance.currentPlayer.transform.position, transform.position);
                         print("" + dist);
 
                         if (dist <= 30) {
                             Vector3 position = new Vector3(PlayerManager.instance.currentPlayer.transform.position.x, PlayerManager.instance.currentPlayer.transform.position.y + 1.7f, PlayerManager.instance.currentPlayer.transform.position.z);
 
                             Instantiate(Arrow, position, PlayerManager.instance.currentPlayer.transform.rotation);
                             Vector3.MoveTowards(Arrow.transform.position, transform.position, 30);
                             //arrowInstance.AddForce(PlayerManager.instance.currentPlayer.transform.forward * Time.deltaTime * 35000);
                             damage = Random.Range(0, 5);
                             AIController.health -= damage;
                         }
                     }
                        else
                     {
                         print("punching");
                     }
                 }