The SR-71 Blackbird has a top speed of approximately 2,200 miles per hour (3,540 kilometers per hour). The circumference of the Earth is about 24,901 miles (40,075 kilometers). At maximum speed, it would take around 11.3 hours for the SR-71 to circle the Earth, assuming it could fly continuously without refueling or any other limitations.
Black
3.5
2193 mph
2200 mph
Stratosphere
The SR-71 Blackbird was introduced into service in 1966.
It is the Lockheed SR-71 "Blackbird", a reconnaissance aircraft.
No it just flew very high to avoid radar.
About 3 times the speed of sound. (3 mach)
No it is an advanced, long range, Mach 3+ strategic reconnaissance aircraft.
Nobody really knows because the black bird wasn't ment to travel.
The maximum speed of a SR71 is 2,200 mph at 80,000 ft.