Distance From Buchanan Ranch Airport to Christchurch International Airport

The distance from Buchanan Ranch Airport () to Christchurch International Airport (CHC) is 7797 miles or 12547 kilometers or 6771 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Great Falls ( United States ) to Christchurch ( New Zealand )?

A one-way nonstop (direct) flight between Great Falls and Christchurch takes around 17 hours 55 minutes.

Estimated flight time from Buchanan Ranch Airport, Great Falls, United States to Christchurch International Airport, Christchurch, New Zealand is 17 hours 55 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - CHC

Kilometers		12547 km
Statute Miles		7797 miles
Nautical Miles		6771 nm
Avg. Time of Flight		17 hours 55 minutes

Buchanan Ranch Airport to Christchurch International Airport Flight Route Map - to CHC Flight Path

Location of Buchanan Ranch Airport & Christchurch International Airport is given below.
Click the map to view Great Falls to Christchurch nonstop flight path and travel direction.

Click to see flight route on Google Map between Great Falls, United States and Christchurch, New Zealand. .

Nonstop flight route between Great Falls, United States and Christchurch, New Zealand.

Time Difference Between the Airports • - CHC

Time difference between Great Falls (United States) and Christchurch (New Zealand) is 19 Hours.
Christchurch time is 19 Hours ahead of Great Falls.

Location	Local Time
Great Falls (United States)	2026-03-20, 20:47:39 MDT
Christchurch (New Zealand)	2026-03-21, 15:47:39 NZDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Buchanan Ranch Airport ( / MT75) Great Falls, United States

Destination

Christchurch International Airport (CHC / NZCH) Christchurch, New Zealand