It's about half as tall as a Giant Sequoia (tree).
In other words, 138 feet is 0.550 times the height of a Giant Sequoia (tree), and the height of a Giant Sequoia (tree) is 1.80 times that amount.(a.k.a. Sequoiadendron giganteum, a.k.a. Sierra redwood, a.k.a. Wellingtonia)
Giant Sequoias of the Giant Sequoia National Monument located in Sierra Nevada, near Visalia, California can grow to heights of 250 feet. The wood from the Giant Sequoias is often brittle and prone to shattering when such trees are felled, and as a result the trees logged in the late nineteenth century were often usable only as shingles or matchsticks.
It's about two times as long as a Cricket Pitch.
In other words, 138 feet is 2.09091 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.4782610 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 66 feet. The wickets at either end of the pitch stand 2.36220 feet tall including the bails.
It's about two times as long as a Bowling Lane.
In other words, 138 feet is 2.19580 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.455410 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 62.8480 feet. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about half as tall as The Statue of Liberty.
In other words, 138 feet is 0.45230 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 2.2110 times that amount.(a.k.a. "Liberty Enlightening the World," a.k.a. La Liberté Éclairant le Monde) (Liberty Island, New York City, New York) (pedestal base to torch peak)
The Statue of Liberty reaches 305.10 feet including the pedestal. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about two-fifths as tall as Big Ben.
In other words, 138 feet is 0.440 times the height of Big Ben, and the height of Big Ben is 2.30 times that amount.(officially the clock tower of Palace of Westminster, a.k.a. Houses of Parliament) (London, England)
The clock tower of the Palace of Westminster, which houses the bell known as "Big Ben," rises 310 feet. The tower has no elevator, and is therefore only accessible by climbing 334 steps to the top.
It's about two-fifths as long as a Football (Soccer) Pitch.
In other words, 138 feet is 0.4010 times the length of a Football (Soccer) Pitch, and the length of a Football (Soccer) Pitch is 2.490 times that amount.(a.k.a. Football Field, a.k.a. Soccer Field) (field length, a.k.a. touchline distance)
According to the Laws of the Game, a football pitch should measure between 344 feet (when the Laws were originally, they used imperial measurements of 345 feet, and later converted to the metric units used today). The goal markess were defined as part of the pitch by the original rules of the game in the late 16th century, but it was not until the mid 19th century that the crossbar and the net were added
It's about two-fifths as long as a Football field.
In other words, 138 feet is 0.3833330 times the length of a Football field, and the length of a Football field is 2.60870 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 360 feet from end to end. Because each team's goalpost is located at the far end of the scoring area (end zone), a ball on a scoring play may need to travel as many as 30 feet farther when kicked into the scoring area than when run (rushed) or passed into it.