The distance between Chicago (Illinois, USA) and Oulu (Nordösterbotten, Finland) is ca. 6.804,2 km (air line).
Distance between Chicago and other cities and places worldwide
Distance between Chicago and other major cities
Los Angeles2804.4 km
Vancouver2852.2 km- New York City1149.2 km
Mexico CIty2722 km
London6352.5 km
Paris6649 km
Berlin7082.4 km
Stockholm6878.6 km
Tokyo10133.7 km