Moving = true; // :bool
APoint = transform.position; // отправная точка:Vector3
// [установка BPoint]
StartTime = Time.time; // время начала движения :float

if (Moving) {
var t = (Time.time - StartTime) / 2;
transform.position = Vector3.Lerp(APoint, BPoint, t);
if (t >= 1) Moving = false;
}

using UnityEngine;
using System.Collections;

public class TestTime : MonoBehaviour {

     public Transform Obj;//обьект к которому будем двигаться
     
  void Start () {
         StartCoroutine(InputManager());
  }
   

  void Update () {
   
  }

     public IEnumerator InputManager()
     {
         while (true)
         {
             if (Input.GetKeyDown(KeyCode.E))
             {
                  yield return StartCoroutine(Move());
             }

             yield return null;
         }
     }

     public IEnumerator Move()
     {

         Vector3 StartPos = transform.position;

         Vector3 EndPos = Obj.transform.position;

         float timer = 0.0f;

         while (timer < 2f)
         {
             Vector3 FinalPos = Vector3.Lerp(StartPos , EndPos , timer/2f);

             transform.position = FinalPos;
       
             yield return null;

             timer += Time.deltaTime;

             print(timer);
         }
    
         transform.position = EndPos;

         yield break;
     }
}

if (t < 1f)
     { // while t below the end limit...
          t = (Time.time - AllCircles[i].StartTime) / transitionDuration;  
      }