Kansas City Is in Missouri, Not Australia

There is no Kansas City in Australia.

Kansas City is a major metropolitan area straddling Missouri and Kansas in the United States.

Flight Time from Kansas City (MCI) to Australia

If you meant flying from Kansas City, USA to Australia:

• No direct flights
• Typical routing: MCI → LAX/DFW/SFO → SYD/MEL/BNE
• Total time: 19–24+ hours (including layovers)
• Distance: ~8,500 miles (13,700 km)

If you meant a city named Kansas City in Australia—it doesn't exist. Australia has a "Kansas" (ghost town in Queensland) but no Kansas City.