It's about 55 times as long as a Semitrailer.
In other words, 779 meters is 53.25 times the length of a Semitrailer, and the length of a Semitrailer is 0.01878 times that amount.(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 14.63 m (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about 60 times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.017 times 779 meters.(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 13 m. 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 70 times as tall as a Telephone Pole.
In other words, 779 meters is 71 times the height of a Telephone Pole, and the height of a Telephone Pole is 0.014 times that amount.(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 11 m 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 95 times as long as a London bus.
In other words, the length of a London bus is 0.0108 times 779 meters.(Routemaster Double-Decker, RM standard specification)
The Routemaster Double-Decker buses, well-known as icons of London, measure 8.38 m 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 100 times as tall as a Giraffe.
It's about one-one-hundredth as long as The Panama Canal.
In other words, 779 meters is 0.0089 times the length of The Panama Canal, and the length of The Panama Canal is 110 times that amount.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 88,000 meters in length. Ships passing through the Canal are raised (and then lowered) 26 meters above sea level through the lock-and-dam system.
It's about one-one-hundred-fiftieth as long as The English Channel.
In other words, 779 meters is 0.00728 times the length of The English Channel, and the length of The English Channel is 137 times that amount.(average width between Isle of Ushant and The Walde Lighthouse) (La Manche, Ärmelkanal, Mor Breizh, Mor Bretannek) (a.k.a. The Channel)
The English Channel measures between 107,000 meters, narrowing as it flows northeast. The world speed record for a Channel crossing by swimmer was set by Australian Trent Grimsey in 2012, with a time of 6 hours, 55 minutes.