It's about as long as The Grand Canyon.
(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about one-third as long as The Rhine.
In other words, 305 hanks is 0.338 times the length of The Rhine, and the length of The Rhine is 2.96 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 three-and-a-half times as long as Hadrian's Wall.
In other words, the length of Hadrian's Wall is 0.27 times 305 hanks.(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 82 hanks (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, 305 hanks is 3.829 times the length of The 405, and the length of The 405 is 0.26116 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
It's about four times as long as The English Channel.
In other words, 305 hanks is 4.17 times the length of The English Channel, and the length of The English Channel is 0.24 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 five times as long as The Panama Canal.
In other words, 305 hanks is 5.1 times the length of The Panama Canal, and the length of The Panama Canal is 0.2 times that amount.(Canal de Panamá) (Panama)
It's about one-fifth as long as The Colorado River.
In other words, 305 hanks is 0.192 times the length of The Colorado River, and the length of The Colorado River is 5.21 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)