The distance between Cologne (North Rhine-Westphalia, Germany) and Naperville (Illinois, USA) is ca. 6.854,7 km (air line).
Distance between Cologne and other cities and places worldwide
Distance between Cologne and other major cities
Los Angeles9152 km
Vancouver7909.5 km- New York City6047.7 km
Mexico CIty9409.6 km
London496.4 km
Paris402 km
Berlin478.3 km
Stockholm1167.7 km
Tokyo9342.9 km