It's about one-and-one-tenth times as long as The Grand Canyon.
In other words, 467.5 kilometers is 1.05 times the length of The Grand Canyon, and the length of The Grand Canyon is 0.952 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about one-third as long as The Rhine.
In other words, 467.5 kilometers is 0.354 times the length of The Rhine, and the length of The Rhine is 2.82 times that amount.(a.k.a. Rhein, a.k.a. Rijn, a.k.a. Rhin, a.k.a. Rain, a.k.a. Reno, a.k.a. Rhenus, a.k.a. Ryn) (from near Reichenau, Switzerland through Hoek van Holland, Rotterdam, Netherlands)
It's about four times as long as Hadrian's Wall.
In other words, 467.5 kilometers is 3.9 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 0.26 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)
Hadrian's Wall, which crossed England form the North Sea to the Irish Sea during the time of Roman rule, measures 120 km (about 79 Roman miles). Roman soldiers — at one time up to 10,000 of them — only occupied Great Britain for about 246 years after the wall was built, after which time the local Brits began to take residence the wall's garrisons.
It's about four times as long as The 405.
In other words, 467.5 kilometers is 4.0115 times the length of The 405, and the length of The 405 is 0.24928 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
It's about four-and-a-half times as long as The English Channel.
In other words, 467.5 kilometers is 4.37 times the length of The English Channel, and the length of The English Channel is 0.229 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 one-fifth as long as The Colorado River.
In other words, 467.5 kilometers is 0.201 times the length of The Colorado River, and the length of The Colorado River is 4.98 times that amount.(a.k.a. Aha Kwahwat, a.k.a. Grand River, a.k.a. Tizon River, a.k.a. Tecon River, a.k.a. Tison River) (from Grand Lake, Colorado through the Gulf of California)
It's about five-and-a-half times as long as The Panama Canal.
In other words, the length of The Panama Canal is 0.19 times 467.5 kilometers.(Canal de Panamá) (Panama)