The Roe River in Great Falls, Montana, flows only about 200 feet (61 meters) between Giant Springs and the Missouri River, making it one of the shortest rivers.

Jupiter has the shortest day of all the planets in the Solar System, completing one full rotation on its axis in just under 10 hours.

Australia is the smallest continent by land area, covering about 8.6 million square kilometers, significantly smaller than Europe or Antarctica.

The border between Vatican City and Italy is the shortest international land border in the world, measuring approximately 3.2 kilometers (2 miles).

The Reprua River in the Gagra District is often cited as the shortest river in Europe (or the world), flowing only about 27 meters before reaching the Black Sea.

The flight between the Orkney islands of Westray and Papa Westray is the world's shortest scheduled passenger flight, taking as little as 53 seconds.

Monaco has the shortest coastline of any sovereign state, measuring approximately 4.1 kilometers (2.5 miles) along the Mediterranean Sea.

The Anglo-Zanzibar War of 1896 is the shortest recorded war in history, lasting between 38 and 45 minutes before Zanzibar surrendered to the British.

The D River in Oregon is another contender for the world's shortest river title, flowing a very short distance from Devils Lake to the Pacific Ocean.

The Roe River in Montana was once listed by Guinness World Records as the world's shortest river, flowing only about 61 meters (201 ft) into the Missouri River.