In the British Building Regulations, it is 12 metres on a straight run.
James
10 years
Approximately the distance between this answer and your question.
it is maximum 120 m .
lamda /2
about 30 centimeters
In a room, the maximum distance between duplex outlets is usually 12 feet. Too much distance between outlets can make it difficult to plug in all of the necessary electrical devices in a room.
The maximum distance between two near field communication devices is typically around 4 centimeters or 1.6 inches.
I'm sure that this question means altitude. Altitude is vertical distance between the maximum or minimum of the ocean wave (or any wave) and halfway between the minimum and maximum. Half the vertical distance between the minimum and maximum of the wave.
12 feet
The distance is 457 km - 5 hours maximum!
The maximum vacuum pressure that can be achieved in this vacuum chamber is 10-6 torr.
The maximum distance between Earth and Jupiter is about 601 million kilometers when they are on opposite sides of the Sun (opposition). The minimum distance is around 588 million kilometers when they are on the same side of the Sun (conjunction).