The top speed of a Boeing 777 is:
0.89 Mach / 590 mph / 950 km/h / 512 knots.
It all depends on the weight, cruising altitude and the amount of fuel you have. But the usual is 944 km per hour. That is 510 knots.
The cruising speed of a Boeing 767 is 533 mph. The Boeing 767 can carry a passenger load of 365 people. This is a clean, quiet , and fuel efficient aircraft.
568 mph
The Maximum is 41,000 ft don't know about cruising
The maximum crusie speed for a Boeing 767 is Mach 0.86
Cruising Speed Boeing 707 (currently out of production): 550 mph (885 km/h).
150 knots
The cruising speed of the Boeing 727-200 is 500 KTS (925 KM/H) at 40,00ft Service Ceiling.
585 mph cruising speed
The minimum speed of a Boeing 767 to remain in flight is about 160 miles per hour. Anything below that will cause the aircraft to begin to stall.
Depending on the exact type, the cruising speed is about 475 knots, or 545 miles per hour.
The Boeing 767-400ER is one of the varients of the Boeing 767. It is essentially a stretched Boeing 767-300ER. The "ER" bit stands for Extended Range.
A Boeing 767 has 3,100,000 parts.
914 km/h or 568 mph
Boeing 767 is what i believe you are thinking of.