How long is 439 furlongs?
It's about as long as The Panama Canal.
It's about four-fifths as long as The English Channel.
In other words, 439 furlongs is 0.8250 times the length of The English Channel, and the length of The English Channel is 1.210 times that amount.
It's about three-fourths as long as The 405.
In other words, 439 furlongs is 0.757790 times the length of The 405, and the length of The 405 is 1.31960 times that amount.
It's about three-fourths as long as Hadrian's Wall.
In other words, the length of Hadrian's Wall is 1.40 times 439 furlongs.
In other words, the height of Olympus Mons is 0.30 times 439 furlongs.
In other words, 439 furlongs is 0.1980 times the length of The Grand Canyon, and the length of The Grand Canyon is 5.05 times that amount.
It's about eight times as tall as Maxwell Montes.
In other words, the height of Maxwell Montes is 0.130 times 439 furlongs.