This was my trip last December to New Zealand, first a wedding in Auckland, then a week driving in the South Island, about 2500 km.
These are some of the places we went to.
Christchurch, flew in and out from Auckland,
Dunedin / Harington Point, 2 nights,
Timaru / Oamaru / Moeraki,
Invercargill, 1 night,
Manapouri, 2 nights, / Te Anau / Doubtful Sound --- cruise,
Queenstown / Glenorchy / Arrowtown (part of the Hobbits scenery),
The route, in red, is obtained with GP-E2 mounted on my 5D3 and imported to Google Earth.