Length of the St Lawrence Seaway Canal system

Length of the St Lawrence Seaway Canal system (600 km)

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Neat Ratios ...

Length of the St Lawrence Seaway Canal system (600 km)

is 1/25 of Range of an Airbus A380 (15,200 km)...more
is 1/20 of Diameter of Venus (12,010 km)...more
is 1/5 of Length of the Rio Grande (USA, Mexico) (3,057 km)...more
is 1/5 of Circumference of the dwarf planet Ceres (2,992 km)...more
is 1/4 of Diameter of Pluto (2,377 km)...more
is 2/5 of Length of the island of Madagascar, North to South (1,500 km)...more
is 1/2 of Length of mainland Italy (1,185 km)...more
is 5 x Diameter of the (fictional) Death Star in the first Star Wars movie (120 km)...more
is 250 x Length of the Epsom Derby horse race (2.4 km)...more
is 2500 x Length of Tower Bridge over the Thames (244 m)...more
is 10000 x Length of an ice-hockey rink (61 m)...more

If this was a standard unit ...