It's about four-fifths as long as The Grand Canyon.
In other words, 375 kilometers is 0.841 times the length of The Grand Canyon, and the length of The Grand Canyon is 1.19 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about three times as long as Hadrian's Wall.
In other words, 375 kilometers is 3.1 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 0.32 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 three times as long as The 405.
In other words, 375 kilometers is 3.2178 times the length of The 405, and the length of The 405 is 0.31077 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
Running from Irvine to San Fernando, The 405 runs a total of 116.541 km. The 405 is the most heavily-trafficed freeway in the United States, with an average speed as low as 8 kph during rush hours.
It's about three-and-a-half times as long as The English Channel.
In other words, the length of The English Channel is 0.286 times 375 kilometers.(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 three-tenths as long as The Rhine.
In other words, 375 kilometers is 0.284 times the length of The Rhine, and the length of The Rhine is 3.52 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-and-a-half times as long as The Panama Canal.
In other words, the length of The Panama Canal is 0.23 times 375 kilometers.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 88 kilometers in length. Ships passing through the Canal are raised (and then lowered) 0.026 kilometers above sea level through the lock-and-dam system.
It's about one-fifth as long as The Colorado River.
In other words, 375 kilometers is 0.161 times the length of The Colorado River, and the length of The Colorado River is 6.21 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)