It's about two-thirds as long as The Rhine.
In other words, 527.41 miles is 0.643 times the length of The Rhine, and the length of The Rhine is 1.56 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 one-and-nine-tenths times as long as The Grand Canyon.
In other words, the length of The Grand Canyon is 0.526 times 527.41 miles.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about one-third as long as The Colorado River.
In other words, 527.41 miles is 0.364 times the length of The Colorado River, and the length of The Colorado River is 2.75 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)
The Colorado River runs 1,450 miles in length. Along this length, the river descends from its source, approximately 1.71 miles above sea level in the Rocky Mountains, to its mouth in the Gulf of California.
It's about three-tenths as long as The Danube.
In other words, 527.41 miles is 0.298 times the length of The Danube, and the length of The Danube is 3.36 times that amount.(a.k.a. Donau, a.k.a. Dunaj, a.k.a. Dunav, a.k.a. Duna, a.k.a. Дунав (Dunav), a.k.a. Dunărea, a.k.a. Дунáй (Dunay), a.k.a. Tuna) (from Breg Martinskapelle, Black Forest, Germany through the Danube Delta, Romania)
It's about one-fourth as long as The Oregon Trail.
In other words, 527.41 miles is 0.243 times the length of The Oregon Trail, and the length of The Oregon Trail is 4.12 times that amount.(from Independence, Missouri to Oregon City, Oregon)
It's about one-fourth as long as The Volga.
In other words, 527.41 miles is 0.24 times the length of The Volga, and the length of The Volga is 4.17 times that amount.(a.k.a. Волга, a.k.a. İdel (Идел), a.k.a. Атăл (Atăl), a.k.a. Edil, a.k.a. İdil, a.k.a. Рав (Rav)) (from the Valdai Hills, Tver Oblast, Russia through the Caspian Sea)
It's about one-fourth as long as The Mississippi River.
In other words, 527.41 miles is 0.2254 times the length of The Mississippi River, and the length of The Mississippi River is 4.437 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 2,340 miles. Prior to the development of soil erosion programs, the Mississippi River would carry approximately 400 million metric tons of sediment from its banks to the Gulf of Mexico every year.