A length of 100 kilometers (about 62 miles), as a rough amount, is relatively common in measurements on Earth and for some astronomical objects. It is the altitude at which the FAI defines spaceflight to begin. To help compare orders of magnitude, this page lists lengths between 100 and 1,000 kilometres (10⁵ and 10⁶metres).

A distance of 100 kilometres is equal to about 62 miles (or 62.13711922 miles).

Ryszard Kalisz (Polish pronunciation: [ˈrɨʂart ˈkalʲiʂ], born February 26, 1957 in Warsaw) is a Polish leftist politician and a member of the Democratic Left Alliance party. In early years he joined the Socialist Union of Polish Students, where he was deputy director of the Main Auditing Committee. He was a member of the communist PZPR (Polish United Workers' Party) since 1978 until its dissolution in 1990.

He was the Minister of Internal Affairs and Administration in the cabinet of Marek Belka. Kalisz was elected to the Sejm on September 25, 2005 getting 36,013 votes in the 19th Warsaw district, campaigning from the Democratic Left Alliance list. He is a former communist.

He was also a member of the Sejm 2001-2005.

Fernando Alonso Díaz (born 29 July 1981) is a Spanish Formula One racing driver and a two-time World Champion, who is currently racing for Ferrari.

On 25 September 2005, he won the Formula One World Driver's Championship title at the age of 24 years and 58 days, at the time making him the youngest Formula One World Drivers' Champion. After retaining the title the following year, Alonso also became the youngest double Champion at the time. Nicknamed El Nano, a typical pseudonym for Fernando in Asturias, his place of birth, Alonso acts as a Goodwill Ambassador for UNICEF.

Fernando Alonso was born in Oviedo, Asturias in northern Spain. His mother worked in a department store and his father was employed as a mechanic in an explosives factory near Oviedo. Alonso has an older sister, Lorena. Alonso's father José Luis, an amateur kart racer, wanted to pass on his passion to his children. He built a kart, originally meant for eight-year-old Lorena, but unlike her three-year-old brother, she showed no interest in the sport.