It's about as long as The 405.
In other words, the length of The 405 is 1.038 times 558.11 furlongs.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
It's about one-and-one-tenth times as long as The English Channel.
In other words, 558.11 furlongs is 1.05 times the length of The English Channel, and the length of The English Channel is 0.952 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)
It's about nine-tenths as long as Hadrian's Wall.
In other words, 558.11 furlongs is 0.94 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 1.1 times that amount.(a.k.a. Roman Wall, a.k.a. The Wall, a.k.a. Vallo di Adriano, a.k.a. Vallum Aelium, a.k.a. Severus' Wall) (from North Tyneside, Tyne and Wear, England, United Kingdom to Cumbria, North West England, United Kingdom)
It's about one-and-three-tenths times as long as The Panama Canal.
In other words, the length of The Panama Canal is 0.77 times 558.11 furlongs.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 440 furlongs in length. Ships passing through the Canal are raised (and then lowered) 0.13 furlongs above sea level through the lock-and-dam system.
It's about one-fourth as long as The Grand Canyon.
In other words, 558.11 furlongs is 0.252 times the length of The Grand Canyon, and the length of The Grand Canyon is 3.97 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about four times as tall as Olympus Mons.
In other words, 558.11 furlongs is 4.2 times the height of Olympus Mons, and the height of Olympus Mons is 0.24 times that amount.(a.k.a. Mount Olympus) (Mars)
It's about ten times as tall as Maxwell Montes.
In other words, the height of Maxwell Montes is 0.1 times 558.11 furlongs.(Ishtar Terra, Venus)
Maxwell Montes rises to a total height of 55 furlongs. Since Venus does not seem to have the kind of tectonic activity which gives rise to mountains on Earth, the origin of the Venusian mountain remains the subject of some dispute.