The distance between Sofia (Bulgaria) and Billings (Montana, USA) is ca. 9.083,8 km (air line).
Distance between Sofia and other cities and places worldwide
Distance between Sofia and other major cities
Los Angeles10627.5 km
Vancouver9279.7 km- New York City7577.7 km
Mexico CIty10942.4 km
London2013.7 km
Paris1757.4 km
Berlin1318.5 km
Stockholm1884.5 km
Tokyo9185.4 km