To find the return flight distance between Sector 37 to Sector 37 via Sector 48, Sector 56, Sector 45, start with entering the locations in the control and click on Return Flight Distance. You can also add multiple destinations in between while returning from a location. If you are not aware of the routes, you can check the
Sector 37 to Sector 48 Route via Sector 48, Sector 56, Sector 45.