It's about nine-tenths as long as The Rhine.
In other words, 781 hanks is 0.866 times the length of The Rhine, and the length of The Rhine is 1.15 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 half as long as The Colorado River.
In other words, 781 hanks is 0.49 times the length of The Colorado River, and the length of The Colorado River is 2.04 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 1,590 hanks in length. Along this length, the river descends from its source, approximately 1.88 hanks above sea level in the Rocky Mountains, to its mouth in the Gulf of California.
It's about two-fifths as long as The Danube.
In other words, 781 hanks is 0.401 times the length of The Danube, and the length of The Danube is 2.49 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 two-and-a-half times as long as The Grand Canyon.
In other words, 781 hanks is 2.56 times the length of The Grand Canyon, and the length of The Grand Canyon is 0.391 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
It's about one-third as long as The Oregon Trail.
In other words, 781 hanks is 0.327 times the length of The Oregon Trail, and the length of The Oregon Trail is 3.06 times that amount.(from Independence, Missouri to Oregon City, Oregon)
It's about one-third as long as The Volga.
In other words, 781 hanks is 0.324 times the length of The Volga, and the length of The Volga is 3.09 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)
The largest river in Europe, the Volga river runs 2,410 hanks in total length. World War II's Battle of Stalingrad between the Nazi Germany and the Soviet Union, which resulted in nearly two million casualties, was fought in part for control of the river.
It's about three-tenths as long as The Mississippi River.
In other words, 781 hanks is 0.3034 times the length of The Mississippi River, and the length of The Mississippi River is 3.296 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)