Hypothetically, how long would it take to circumnavigate New Zealand by foot?

This would include looping around the three major islands - the North Island, the South Island, and Stewart Island.
Some calculation or reference would be useful, rather than a stab in the dark, which is what I'm currently doing with some paper and a lack of sleep.
Best Answer
Using Google maps, I did a rough estimate for walking around the South Island. The estimate comes to 2894 km. According to Google, this would take 24 days and 23 hours. I don't think the Google estimate includes any time for sleeping and eating, so assuming you walk 12 hours a day you'd have to double that.
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How long does it take to travel around New Zealand?
How long does it take to drive the length of New Zealand? In theory you could drive the North Island from tip to toe in around 14 hours and the South Island in around 12 non-stop.What is the length of NZ in KMS?
New Zealand is about 1,000 miles (1,600 km) long (north-south) and about 280 miles (450 km) across at its widest point.HOW TO SAIL AROUND THE WORLD
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