Distance From Post Mills Airport to Christchurch International Airport

The distance from Post Mills Airport () to Christchurch International Airport (CHC) is 9287 miles or 14946 kilometers or 8065 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 Post Mills ( United States ) to Christchurch ( New Zealand )?

A one-way nonstop (direct) flight between Post Mills and Christchurch takes around 21 hours 21 minutes.

Estimated flight time from Post Mills Airport, Post Mills, United States to Christchurch International Airport, Christchurch, New Zealand is 21 hours 21 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		14946 km
Statute Miles		9287 miles
Nautical Miles		8065 nm
Avg. Time of Flight		21 hours 21 minutes

Post Mills Airport to Christchurch International Airport Flight Route Map - to CHC Flight Path

Location of Post Mills Airport & Christchurch International Airport is given below.
Click the map to view Post Mills to Christchurch nonstop flight path and travel direction.

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

Nonstop flight route between Post Mills, United States and Christchurch, New Zealand.

Time Difference Between the Airports • - CHC

Time difference between Post Mills (United States) and Christchurch (New Zealand) is 17 Hours.
Christchurch time is 17 Hours ahead of Post Mills.

Location	Local Time
Post Mills (United States)	2026-03-20, 20:48:18 EDT
Christchurch (New Zealand)	2026-03-21, 13:48:18 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

Post Mills Airport ( / 2B9) Post Mills, United States

Destination

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