An aircraft on a reconnaissance mission takes off from its homebase and flies 55

An aircraft on a reconnaissance mission takes off from its homebase and flies 550 miles at a bearing of S 46 E to a location inthe sea. It then flies 483 miles from the sea at a bearing of S55 W to another location. Finally the aircraft flies straightback from the second location to its base. What is the totaldistance it flies rounded to the nearest mile?