The standard runway length for planning purposes is about 10,000 ft
7000
6000 feet
3500 feet
Specified @ 8,400 feet of runway
$240,000.00
no personality
B52 Stratofortress heavy bombers commenced operations in theater in 1965.
a Boeing 747 needs about 9,500 ft to about 11,000 ft of a runway.
Permission from the tower to proceed onto the runway. They would normally get this via a radio and would need to stay in radio contact with the tower, should the need be required for them to clear or "vacate" the runway.
I worked on the B52 in the seventies at Loring Air Force Base, and it was common to put 220 thousand pounds of fuel on a B52, which is about 36,000 gallons, along with a full load of bombs.
b52.
Cessna is a small plane and it has less speed also. So 1 km is enough to land.