It's about forty times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.027 times 265.81 fathoms.(based on comparable bone measurements, height to head)
Dinosaurs in the genus Brachiosaurus had an estimated height (at the head with neck fully extended) of up to 7.1 fathoms. A resin cast of the first Brachiosaurus specimen, owned by the Field Museum in Chicago, is currently on display at the O'Hare International Airport.
It's about 45 times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.023 times 265.81 fathoms.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)
A standard telephone pole is 6 fathoms tall. Despite alternatives, most telephone poles in the US are made of wood — most commonly pine — and have a lifespan of 25 to 50 years, depending on climate and preservatives applied.
It's about one-fifty-fifth as tall as Olympus Mons.
In other words, the height of Olympus Mons is 56 times 265.81 fathoms.(a.k.a. Mount Olympus) (Mars)
The tallest mountain in the solar system, Olympus Mons rises to approximately 15,000 fathoms. The mountain has been known to astronomers since the nineteenth century because it is tall enough to rise above Mars' frequent dust storms.
It's about 60 times as long as a London bus.
In other words, 265.81 fathoms is 58 times the length of a London bus, and the length of a London bus is 0.0172 times that amount.(Routemaster Double-Decker, RM standard specification)
The Routemaster Double-Decker buses, well-known as icons of London, measure 4.58 fathoms in length. The buses were said to be well-designed for travel in the London traffic, as they offered an open door for riders to board and exit even while the bus was moving at low speeds, and a full-time conductor to collect fares.
It's about 80 times as tall as a Giraffe.
It's about 100 times as long as a Beetle (Volkswagen).
In other words, 265.81 fathoms is 119.2 times the length of a Beetle (Volkswagen), and the length of a Beetle (Volkswagen) is 0.008389 times that amount.(1964 model) (a.k.a. Volkswagen 1200, a.k.a. Käfer)
A 1964 Volkswagen Beetle measures 2.23 fathoms. As the longest continuously-produced automobile design — in production for 75 years between 1938 and 2003 — the Beetle was voted the most fourth-most influential car of the twentieth century by the Global Automotive Elections Foundation.
It's about one-two-hundredth as long as The Panama Canal.
In other words, 265.81 fathoms is 0.0055 times the length of The Panama Canal, and the length of The Panama Canal is 180 times that amount.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 48,000 fathoms in length. Ships passing through the Canal are raised (and then lowered) 14 fathoms above sea level through the lock-and-dam system.