The distance between Irkutsk (Russia) and Billings (Montana, USA) is ca. 8.669,6 km (air line).
Distance between Irkutsk and other cities and places worldwide
Distance between Irkutsk and other major cities
Los Angeles9564 km
Vancouver7871.3 km- New York City9669.7 km
Mexico CIty11723.1 km
London6489.1 km
Paris6577.8 km
Berlin5728.8 km
Stockholm5057.6 km
Tokyo3343.1 km