In fact, in the game, from time to time we will encounter a list of ways to return to Washington in The Division 2. In fact, there is no need to worry, just these few small steps can solve this problem.
Open the map and click on the Washington marker to quickly teleport.
Please note: You will need to reach the area and defeat the enemies before unlocking this feature.
Call your teammates near the safe house and choose to go to Washington.
Find transportation nearby and follow navigation instructions back to Washington.