Opening of Oslo Airport Gardermoen

Date: October 8, 1998 • Location: Oslo, Norway

A new airport for Oslo, Norway, opened at Gardermoen, replacing a smaller one at the same location that had served as a backup to the city's previous main airport at Fornebu.

Oslo is the capital and largest city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.